These bottles are used for many purposes. In most laboratories they are usually filled with water, salt, acid or other commonly used fluids. They make it easy to apply the fluid if a precisely measured amount is not needed.
Aquests flascons s' usen per a diverses coses. En molts laboratoris s' acostumen a omplir amb aigua, sals, àcid o altres líquids comuns. Faciliten l' aplicació del líquid si no cal mesurar- ne la quantitat precisa.