The wire gauze is used to support a beaker on the iron ring during heating.
The triangle is used to support a crucible on the iron ring during heating.
Droppers are used to deliver drops of a liquid.
The spatula is used to transfer small amounts of solids.
The stirring rod is used to mix or stir substances in a beaker or test tube.
The iron ring is used to support a wire gauze or triangle during heating.