Can you please give me the functions of the following lab tools?

centrifuge tube - to be used in centrifuge to separate small particles from liquid

crucible tong - to hold a crucible as it gets very hot

distilling flask - Flask that contains the liquid that is to be distilled

dropping pipet - to drop liquids in controllable sizes

geissler - dont know am afriad

glass tubing

hard glass test tube - heated to higher temps

iodine flask

mohr

pinch c0ck

porcelain crucible - to hold materials that are to be thermolysed

rubber tubing - to pump water or gases to another piece of equipment

test tube brush - to clean test tubes

weighing bottle - to weigh out liquids