plastic science pipettes stored in 2 glass beakers

100ml 150ml 200ml against background beaker beakers bench bundle chemical chemistry class classroom clear collection conical cup desk drip drop dropper droppers edge education experiment filled flask full gas glass group half inside investigation lab laboratory learning left lesson liquid loads lots many medical medicine pipettes pippette plastic plug propped ready resting room school science sitting sockets soluble solution spare standing stored surface table taps test testing transparent use used waiting water