Question about laboratory tools...pls!!!?

Question

do you know the uses of the following laboratory tools:

triangular file
iron clamp
adapter
reagent bottle
extension clamp

pls. answer...tnx!

Answer 1

triangular file is used to make a fine score on glass tubing so it can be broken with a clean edge

iron clamp is used to hold things like a thermometer or test tube for heating

adapter could be several types - to convert electricity, to change the burner flame, to hold a different shaped flask

reagent bottle is for storage of the chemicals or for lab dispensing of the chemicals

extension clamp is used to make the iron clamp longer