a man holding a contraption and putting a tube in a pitcher
a man is demonstrating an experiment with a bottle
a man is demonstrating how an invention of his works
a man is doing an experiment with some drink
a man is funneling liquid from a pitcher to a bottle
a man is holding a bottle with two hoses in it and places the end of one hose into a pitcher of red liquid
a man is performing a science experiment
a man is showing how to use a device in a jug of juice
a man performing a science experiment
a man places a tube into a pitcher sitting on a table
a man siphoning liquid from one container to another
a person drains a bottle
a person is doing an experiment
a person is explaining something
a tube is placed in a pitcher
an asian male demonstrating a new product via an informational commercial
man doing an experiment
peson doing an experiement with liquids
the scientific experiment did not work
a man is holding a bottle with two hoses in it and places the end of one hose into a pitcher of red liquid