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A syringe is a simple reciprocating pump consisting of a plunger that fits tightly within a cylindrical tube called a barrel. The plunger can be linearly pulled and pushed along the inside of the tube, allowing the syringe to take in and expel liquid or gas through a discharge orifice at the front end of the tube.
A tally counter is a mechanical, electronic, or software device used to incrementally count something, typically fleeting. One of the most common things tally counters are used for is counting people, animals, or things that are quickly coming and going from some location.
Formula: C4H6O6
Test tubes are widely used by chemists to handle chemicals, especially for qualitative experiments and assays. Test tubes are convenient containers for heating small amounts of liquids or solids with a Bunsen burner or alcohol burner. The tube is usually held by its neck with a clamp or tongs.
Copper Pipe (10m) Roll 
Isopropyl Alcohol 
ThermometerThermometer 
Syringe 
