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PLC

 PLC  The system should be compatible with a variety of accessories and peripheral, thus allowing this versatile system to be easily expanded into larger systems. The experiments should be chosen to cover the topics from basic familiarization of the PLC up to programming and application. 

The trainer should cover the following topics of experiments:          

·         Basic PLC Trainer Familiarization.

·         Branch instructions.

·         Latching instructions.

·         Delete, copy, move, modify.

·         Basic Ladder programming & Instruction.

·         The search and force function.

·         Inputting the program.

·         Counters, Sequencers, Shift registers.

·         Terminology and Mnemonic code

·         Comparison instructions.

·         Logical continuity.

·          Monitoring data files.

·         I/O Devices. 

·         Equivalent user programs

 

 

 

 

 

Specifications:

 

 Advanced  Training Package

 

1. Trainer requirements

·         The unit should features a larger capacity compact PLC with 40 I/O points. 

·         The unit should be ideal to use with the applications board module for experimentation (using optional PLC application modules)

·         The set should include software for programming via a PC

2. Components

·         PLC Trainer 24 V/2A DC load rating, approx. 24 input and approx. 16 output 40 point I/O with LED Indication.

·         Computer programming software with ladder diagram.

·         Main voltage: 220/240 VAC, 50/60 Hz.

·         I/O:  approx. 24 input switches, approx. 16 LED output indicators.

·         24 VDC Power supply

3. To come complete with comprehensive courseware.

4. Accessories:

·         Set of connection leads.

·         Experiment manual to be provided during bidding process

 

 

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Product Code: PLC65 - (PLC)

   

PLC Simulator Trainer

PLC  Simulator Trainer

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Product Code: Workshop Lab - MWE0012 - (PLC Simulator Trainer)

   

PLC and HMI Training Kit

PLC and HMI Training Kit....

Product Code: NE-CNC-LAT52 - (PLC and HMI Training Kit)

   

PLC and Pneumatic Control Trainer

PLC and Pneumatic Control Trainer

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Product Code: Workshop Lab - MWE0010 - (PLC and Pneumatic Control Trainer)

   

PLC Application Board

PLC Application Board

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Product Code: Workshop Lab - MWE0009 - (PLC Application Board)

   

PLC Based Hydraulic Trainer

PLC Based Hydraulic Trainer

PLC Based Hydraulic Trainer is designed to demonstrate operation of various Hydraulic Circuits with help of PLC Controller. The trainer used different electrically operated hydraulic valves & electronic sensors to demonstrate real life applications of Hydraulic Power.
The trainer consists of a workstation panel for mounting of hydraulic components. The workstation is equipped with a power pack to supply oil under pressure to the components during operation.
The components supplied along with the trainer include Direction Control Valves (Solenoid Operated & Hand Lever Operated), Pressure Control Valves, Flow control valves, Check Valve, Linear Actuators, and Accumulators etc. Each hydraulic component like valve, cylinder etc is mounted on a mounting plate & has adaptors for making connections using hoses.
The input the PLC comes from proximity switches & the PLC operates the hydraulic valve in programmed sequence.

Experimental Capabilities:

  • To study Hydraulic Power pack & its components.
  • To study operation of different Hydraulic Direction Control Valves.
  • To study operation of Hydraulic Check Valve.
  • To study operation of Flow Control Valve.
  • To study operation of Pressure Relief Valve. To study operation of Linear Actuators.
  • To test following Hydraulic circuits 
           - Regenerative Circuit
           - Speed Control of Linear Actuators
           - Transverse & Feed Circuit
  • To test following PLC based circuits
           - Operation of Solenoid operated direction control valves
           - Sequencing Circuit Clamping Circuit
           - Counter Circuit
           - Feed Back Control of Hydraulic Circuits
           - Operation of Electrical Limit Switch

Specifications:
  • Hydraulic Power Pack: Gear Pump Electric Motor 1hp, 230 V AC, Oil Sump Tank – 20 Litres Oil Filter, Oil Level Indicator
  • Distribution Manifold - 4 Port Manifold, 2 Nos.
  • Pressure Relief Valve
  • Pressure Gauge
  • Direction Control Valves
            - 4/2 Way Valve, Spring Return, Normally Closed
            - 4/3 Way Valve, Spring Return, Normally Open
            - 4/3 Way Valve, Manual Return, Normally Open
  • Sequence Valve
  • Pressure Sequence Valve
  • Non Return Valve
  • Flow Control Valve
  • Hydraulic Cylinder - Double Acting Cylinder, 40 mm Bore x 100 mm Stroke, 2 Nos.
  • Solenoid Operated DC Valves
           - 4/2 Single Solenoid Valve
           - 4/3 Double Solenoid Valve - 2 Nos.
  • Proximity Switches
           - Optical Type, PNP, 24 V DC - 2 Nos.
           - Inductive Type, PNP, 24 V DC - 2 Nos.
  • Electrical Limit Switch
  • Power Supply: SMPS, 24 V DC, 5 A
  • PLC Controller: 8 DI, 6 DO, 24 V DC, Make – Allen Bradley / Siemens or equivalent
  • Hose Pipes: High Pressure Hoses with Quick Release Couplings – 8 Nos.
  • Workstation: Made in M.S. Square Tubes & CR Sheets, Powder Coated

 

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Product Code: NEGEMG153 - (PLC Based Hydraulic Trainer)

   

PLC Module Training System

PLC Module Training System

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Product Code: Workshop Lab - MWE0008 - (PLC Module Training System)

   

PLC Trainer

PLC Trainer We are Leading Supplier of PLC Trainer in India. We also bulk supply PLC Trainer for laboratory tensers. Technical Specifications : Control Method : Cyclic execution of stored program, Time-driven operation, Interrupt task operation I/O Control Method : Scan synchronized batch processing method (Refresh Method) Program Language : LD (Ladder Diagram), IL (Instruction list), SFC (Sequential Function chart) Number of Instructions : LD(20 EA), IL (13 EA), SFC (194 EA) Processing speed : 0.2/Step Program Memory Capacity : 128 Kbyte Maximum I/O Points : 512 points (With 16 pt modules), 1024 points (With 32 pt modules) 2048 points (With 64 pt modules) Digital Input : Input Point : 16 Points ( 2 EA ) Rated input Voltage : DC 12/24 V Common Method : 8 Points / 1 Com Insulated Method : Photo Coupler Insulation Digital Output : Output Point : 16 Points ( 2 EA ) Rated Load Voltage : DC 12V, AC 220V Rated Load Current : Max. 2A Common Method : 8 Points / 1 Com Insulation method : Relay Insulation Power Module : AC 50Hz / 60Hz, ; DC 5V/4A,  24V/0.7A Vibration Proof Module : Vibration proof for non use slot Base : 8 slot ( maximum number of module attach 8 EA ) Trainer Power Supply : Power : AC, 50Hz / 60Hz Meter : 1 EA Main power ( Built in current protection device ) : 1 unit PLC power ( built in Current protection device ) : 1 unit DC output power (DC 24V) : 1 Unit Output Terminal : 4 EA Sensor Input and Motor Device : DC Motor (DC 24V) : 1 Unit Coupling : circular type ( Hole 4 EA / Magnetic 1 EA ) Photo sensor ( Detection Distance : 200 mm ) : 1 EA Proximity Sensor ( Detection Distance : 8 mm ) : 1 EA Power for sensor : DC 12V ~ 24V Input Signal Device : Non lock type push button : 7 EA Lock type push button : 1 EA Digital switch (BCD, 2 digits) : 1 Unit Output Signal Indication : Output Lamp (DC 24V) : 7 EA Buzzer (DC 24V) : 1 EA Digital switch (BCD, 2 digits) : 1 Unit Digital I/O Terminals : Input : 32 Points ( 16 points / 1 COM Total 4 EA ) Output : 32 Points ( 16 Points / 1 COM Total 4 EA ) Training Contents : Basic Commands, LOAD and LOAD NOT Basic Commands, AND and AND NOT Basic Commands, OR and OR NOT Basic Command, Coil Commands, SET and RST Self holding circuit Transition – Sensing Coils Function Block Command, TON Function Block Command, TOF Function Commands, CTU & CTD Function Commands, MCS and MCS CLR Quiz Circuit Electric Motor and Pulse sensor 1 Electric Motor and Pulse sensor 2  ....

Product Code: Lab Trainers0018 - (PLC Trainer)

   

PLC Trainer - Analog Module for Instrumentation Electric Labs

PLC Trainer - Analog Module....

Product Code: ITT-TR-16 - (PLC Trainer - Analog Module for Instrumentation Electric Labs)

   

PLC trainer kit

PLC trainer kit
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Product Code: WW12 series or LDA-PLC-015 - (PLC trainer kit)

   

Plc Trainer Kit for Electronics labs for Teaching Equipments Lab

Plc Trainer Kit for Electronics labs
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Product Code: LABS-EDU-0055 - (Plc Trainer Kit for Electronics labs for Teaching Equipments Lab)

   

PLC Trainer Module for Instrumentation Electric Labs

Analog Module Industrial PLC - Analog Module
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Product Code: ITT-TR-018A - (PLC Trainer Module for Instrumentation Electric Labs)

   

PLC Training System

PLC Training System

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Product Code: Workshop Lab - MWE0007 - (PLC Training System)

   

PLC Training System

PLC Training System....

Product Code: Workshop Lab - SEW0009 - (PLC Training System)

   

Plotting Compass Glass for Physics Lab

Plotting Compass Glass for Physics Lab - Magnetic needle mounted on pivot in aluminium case with both sides glass with cross lines at 90°. (a) 20 mm (b) 25 mm (c) 50 mm....

Product Code: PMAG-0022 - (Plotting Compass Glass for Physics Lab)

   

Plotting Mariners Compass for Physics Lab

Plotting Mariners Compass for Physics Lab India

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Product Code: PMAG-0021 - (Plotting Mariners Compass for Physics Lab)

   

Plug Flow Reactor

Plug Flow Reactor....

Product Code: ChemicalREA-10003 - (Plug Flow Reactor)

   

Plug Flow Reactor (Coiled Tube Type)

Plug Flow Reactor (Coiled Tube Type)....

Product Code: ChemicalREA-10004 - (Plug Flow Reactor (Coiled Tube Type))

   

Plug Key, Four Way for Physics Lab

Plug Key, Four Way Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PETY-0060 - (Plug Key, Four Way for Physics Lab)

   

Plug Key, One Way for Physics Lab

Plug Key, One Way Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PETY-0061 - (Plug Key, One Way for Physics Lab)

   

Plug Key, Three Way for Physics Lab

Plug Key, Three Way Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PETY-0062 - (Plug Key, Three Way for Physics Lab)

   

Plug Key, Two Way for Physics Lab

Plug Key, Two Way Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PETY-0063 - (Plug Key, Two Way for Physics Lab)

   

Plug Leads for Physics Lab

Plug Leads Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PETY-0064 - (Plug Leads for Physics Lab)

   

Plug Stacking for Physics Lab

Plug Stacking Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PETY-0065 - (Plug Stacking for Physics Lab)

   

Plummet Balance For Testing Lab for Soil Testing Lab

for Soil Testing - Conventionally particle size distribution analysis is carried out using pipette and hydrometer methods. Whereas in hydrometer method it is possible to determine particle sizes in the range 75microns, the method involves computation and it is time consuming. The pipette method can be used for determining only the percentage of specific sizes less than 0.02, 0.006 and 0.002mm as a percentage of total soil sample. The plummet balance method to determine sub sieve particle size for the entire range is very rapid and only manipulation of height of the balance, so that plummet sinks to the right depth is required. The percentage of soil in suspension is directly indicated by a pointer over a graduated scale. A vertical rod is mounted on a sturdy base having leveling screws. A pointer with steel pivots turns is jewel bearing an moves over a graduated scale. Scale graduations are market 0-100% x 2% To the other end of the pointer a plummet is hanged. Rack and pinion arrangement is provided on the vertical rod for adjusting the height. Supplied with a chart showing relationship between “K” and temperature of suspension of soils of varying specific gravity from 2.4 to 2.8 to help in solving stroke\'s equation. Supplied complete with one Perspex plummet one measuring jar and one rider weight for zero adjustment and rider weight for adjusting the pointer to 100%.....

Product Code: NSOL-T14 - (Plummet Balance For Testing Lab for Soil Testing Lab)

   

PMDC Motor - 40 for Electric Motors Teaching Labs

PMDC Motor - 40....

Product Code: ADM-076 - (PMDC Motor - 40 for Electric Motors Teaching Labs)

   

PN Sequence Generator Trainer for Communication Teaching Labs

PN Sequence Generator - PN Sequence Generator -PN Sequence Generator demonstrates the basic scheme used to transmit an information signal. It covers very basic concepts like how to generate the PN sequence which can be used to send data in a secure manner. Output port provides the facility to observe the output signals in terms of pulses which is nothing but the PN sequence for different combinations. On board four clock of different frequencies (2, 4, 0.16 KHz) can be used to generate PN sequences.
Four selectable clock frequencies
Six Selectable data sequence
External clock upto 1 MHz
Functional blocks indicated on board mimic....

Product Code: COM-TR-27 - (PN Sequence Generator Trainer for Communication Teaching Labs)

   

Pneumatic Air Brake Trainerfor engineering schools

Pneumatic Air Brake Trainer, technical teaching equipment for engineering

Pneumatic Air Brake Trainer for use in educational and research labs. We bulk supply Laboratory Equipments for MOE Tenders as per required specifications.....

Product Code: AUTO-EN023 - (Pneumatic Air Brake Trainerfor engineering schools)

   

Pneumatic Motor - 9 for Electric Motors Teaching Labs

Pneumatic Motor - 9....

Product Code: ADM-196 - (Pneumatic Motor - 9 for Electric Motors Teaching Labs)

   

Pneumatic spanner set

Pneumatic spanner set 

Adjustable torque, Max. torque: 230FT-LB
Free speed: 7000rpm

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Product Code: 230FT-LB - (Pneumatic spanner set)

   

Pneumatic Suspension Compressor

Pneumatic Suspension Compressor
This product is a cut-away of a pneumatic suspension compressor. It is mounted on a base.

This cut-away is carefully sectioned for training purposes and professionally painted with different colors to differentiate the various parts and cross sections. Many parts have been chromium plated and galvanized for a longer life.....

Product Code: TechnicalLab0327 - (Pneumatic Suspension Compressor)

   

Pneumatic Trainer - Basic

Pneumatic Trainer - Basic....

Product Code: NE-CNC-LAT49 - (Pneumatic Trainer - Basic)

   

Pneumatic Trainer - Classic

Pneumatic Trainer - Classic....

Product Code: NE-CNC-LAT51 - (Pneumatic Trainer - Classic)

   

Pneumatic Trainer for Instrumentation Electric Labs

Pneumatic Trainer -  Mounting panel for Pneumatic components
 Different pneumatic arrangements; includes Control Diagrams....

Product Code: ITT-TR-04 - (Pneumatic Trainer for Instrumentation Electric Labs)

   

Pneumatic Trainer-Basic

Pneumatic Trainer-Basic

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Product Code: Technical0041 - (Pneumatic Trainer-Basic)

   

PNEUMATIC TROUGH for Science Lab

These Troughs, made of Polypropylene, are autoclavable and are available in different sizes. These can be used for a wide range of purposes including storage, sterilizing & drying labware etc.

Material : Polypropylene

Size: Ø- 180 x h-60mm
Size: Size: Ø- 200 x h-100mm
Size: Ø- 250 x h-100mm....

Product Code: NPLW-0072 - (PNEUMATIC TROUGH for Science Lab)

   

Pneumatic/Electro-Pneumatics Training Set

Pneumatic/Electro-Pneumatics Training Set

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Product Code: Workshop Lab - MWE0021 - (Pneumatic/Electro-Pneumatics Training Set)

   

Pneumatics & Hydraulics Trainer for School Science Lab

Pneumatics & Hydraulics Trainer Description: Leading manufacturer & exporter of pneumatics & hydraulics trainer, hydraulic equipment.....

Product Code: NLAB-0184 - (Pneumatics & Hydraulics Trainer for School Science Lab)

   

Pneumatics & Hydraulics Trainer

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Product Code: Pneumatics & Hydraulics Trainer1 - (Pneumatics & Hydraulics Trainer)

   

Pneumatics & Hydraulics Trainer for School Science Lab

Pneumatics & Hydraulics Trainer Description: Manufacturer & exporter of pneumatics & hydraulics trainer.....

Product Code: NLAB-0303 - (Pneumatics & Hydraulics Trainer for School Science Lab)

   

Pocket Concrete Penetrometer For Testing Lab for Concrete Testing Lab

Pocket Concrete Penetrometer for Concrete Testing - For fast evaluation of the initial setting of concrete. It can be used on light weight concrete, special roof deck mixes and concrete additives. Specification : Consists of a needle having face area 3/10 sq. cm. and graduated at a distance of 25cm. The needles point is an integral part of barrel which houses a calibrated spring. The spring is confined in a sleeve. The resistance offered by the concrete mortar is shown on the direct reading scale with a marker ring which holds its position when released. 2 Scale range is 0-50kg/cm2 when the penetration resistance reaches a 2 value of 35kg/cm2 the concrete is assumed initially set. Supplied complete in carrying case.....

Product Code: NCOT-C6 - (Pocket Concrete Penetrometer For Testing Lab for Concrete Testing Lab)

   

Pocket Microscope for Science Lab

Pocket Microscope Manufacturer, Supplier and Exporter for Science Lab

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Product Code: NMRO-0050 - (Pocket Microscope for Science Lab)

   

Pocket Penetrometer For Testing Lab for Soil Testing Lab

for Soil Testing - This instrument is used to estimate approximate unconfined compressive strength and the estimation to shear strength of soil Cohesive soils can also be classified in terms of consistency using this Penetrometer. This is a handy and convenient instrument. Specification : It consists of a light weight barrel assembly with a polished and ground steel loading piston plunger. A direct reading scale is engraved on the piston barrel and indicates load in kg. / sq. cm. A maximum load indicator ring is provided on the penetration plunger. The calibrated spring is heat treated and plated for rust resistance. The barrel diameter is 20mm and the length 150mm. Supplied with carrying case.....

Product Code: NSOL-T23 - (Pocket Penetrometer For Testing Lab for Soil Testing Lab)

   

Point Load Index Tester For Testing Lab for Rock Testing Lab

Point Load Index Tester for Rock Lab Testing - Point Load Index tester, a rock testing instrument for determining the Diametrical Point Load Strength Index of rock cores and Irregular Lumps which may be tested without any treatment. The Point Load Test is primarily as index Test for strength classified of rock materials. This instrument is mainly intended for field measurements on rocks specimen, but it can be used in the laboratory. The results of the test may also be used to predict the uniaxial compressive strength of rockfrom correlations. The apparatus is light and portable and can be used in the laboratory as well as in the field. Features : 1. Equipment is light and portable. 2. Rock core specimens can be tested without any preparation. 3. The instrument can be used in the laboratory as well as at the drilling site. 4. The results of the test may also be used to predict the uniaxial compressive strength of rock. 5. With this instrument, a wide range of core size can be tested. 6. The frame has adequate adjustments to align perfectly the loading axis passing through the centre of the bearing plates and loading platens at the position of the ram of the hydraulic jack. The equipment comprised the followings : - Loading Frame, fitted with Hydraulic Jack, hand operated, capacity 100 KN (10,000 kgf) - Load Gauge, 25KN (2,500 kgf) to read upto 0.25KN (25kgf) - Load Gauge, 100KN (10,000 kgf) to read upto 0.50KN (50kgf) - Conical Loading Platens - Diaphragm Bolt....

Product Code: ROKQ-07 - (Point Load Index Tester For Testing Lab for Rock Testing Lab)

   

Poissons Ratio

Poissons Ratio....

Product Code: NCC0055 - (Poissons Ratio)

   

Polarimeter for Physics Lab

Polarimeter Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PLIT-0062 - (Polarimeter for Physics Lab)

   

Polarimeter Tubes for Physics Lab

Polarimeter Tubes Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PLIT-0063 - (Polarimeter Tubes for Physics Lab)

   

Polarimeter Tubes for Science Lab

Polarimeter Tubes....

Product Code: NLGP-0149 - (Polarimeter Tubes for Science Lab)

   

Polariods for Physics Lab

Polariods Manufacturer, Supplier and Exporter for Physics Lab

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Product Code: PLIT-0064 - (Polariods for Physics Lab)

   

Polarisation of Light by Simple reflection Trainer for Vocational Training and Didactic Labs

Equipment for Education, Engineering and Vocational Training - Polarisation of Light by Simple reflection Trainer Polarisation of Light by Simple reflection Trainer....

Product Code: ETKN-0519 - (Polarisation of Light by Simple reflection Trainer for Vocational Training and Didactic Labs)

   
Manufacture school lab equipment as per MOE Tender Specifications. NaugraExport are leading manufacturer, exporters of Laboratory Equipment, Biology Lab Equipment, School Lab, Maths Lab Equipments Suppliers. We supply Electronics Lab Trainer, Lab Microscopes, Engineering Lab Equipment Manufacturers. Exporters of Testing and Training Systems for Hospital lab Equipment manufacturers, Medical Monitoring System, Physiotherapy Equipment, High School Math Lab Equipments, Science Lab Equipments Suppliers, Lab glassware manufacturers. We are renowned manufacturer from India and China for Educational and Laboratory Scientific Equipment and provide all types of Laboratory, Scientific Instruments, Tender suppliers Workshop Lab Equipment for Schools Lab, Colleges Lab, University Lab
Educational Scientific Instruments suppliers from India, Afghanistan Lab, Albania, Algeria, Andorra, Angola, Antigua and Barbuda, Argentina, Armenia, Australia, Austria, Azerbaijan, Bahamas, Bahrain, Bangladesh Lab, Barbados, Belarus, Belgium, Belize, Benin, Bhutan, Bolivia, Bosnia and Herzegovina, Botswana, Brazil Lab, Brunei, Bulgaria, Burkina Faso, Burma Myanmar, Burundi, Cambodia Lab, Cameroon, Canada, Cape Verde, Central African Republic Lab, Chad, Chile, Colombia, Comoros Lab, Congo, Congo, Costa Rica, Cote d'Ivoire Ivory Coast, Croatia, Cuba, Cyprus Lab, Czech Republic, Denmark, Djibouti, Dominica, Dominican Republic, East Timor, Ecuador, Egypt, El Salvador, Equatorial Guinea, Eritrea, Estonia, Ethiopia Addis Ababa, Fiji, Finland, France, Gabon Lab, Gambia, Georgia, Germany, Ghana Lab, Greece, Grenada, Guatemala, Guinea, Guinea-Bissau, Guyana, Haiti, Honduras, Hungary, Iceland, Indonesia, Iran, Iraq, Ireland, Israel, Italy, Jamaica, Japan, Jordan, Kazakstan, Kenya Nairobi Lab, Kiribati, Korea Lab, North, Korea, South, Kuwait, Kyrgyzstan, Laos, Latvia, Lebanon, Lesotho, Liberia, Liechtenstein, Lithuania, Luxembourg, Macedonia, Madagascar, Malawi Lab Lilongwe, Malaysia Kuala Lumpur, Maldives, Mali, Malta, Marshall Islands, Mauritania, Mauritius, Mexico, Micronesia, Moldova, Monaco, Mongolia, Montenegro, Morocco, Mozambique, Namibia, Nauru, Nepal Lab, Netherlands, New Zealand, Nicaragua, Niger, Nigeria Abuja, Norway, Oman, Palau, Panama, Papua New Guinea, Paraguay, Peru, Philippines Manila, Poland, Portugal, Qatar, Romania, Russia Lab, Rwanda Kigali, Saint Kitts and Nevis, Saint Lucia, Saint Vincent and the Grenadines, Samoa, San Marino, Sao Tome and Principe, Saudi Arabia, Senegal, Serbia, Seychelles, Sierra Leone Lab, Singapore, Slovakia, Slovenia, Solomon Islands, Somalia, South Africa Lab, South Sudan, Spain, Sri Lanka Lab, Sudan, Suriname, Swaziland, Sweden, Switzerland, Syria, Tajikistan, Tanzania, Thailand, Togo, Tonga, Trinidad and Tobago, Tunisia, Turkey, Turkmenistan, Tuvalu, Uganda Kampala, Ukraine, United Arab Emirates Dubai Lab, United Kingdom London, United States, Uruguay, Uzbekistan Lab, Vanuatu, Venezuela, Vietnam, Yemen , Zambia Lusaka, Zimbabwe
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