an apparatus for crushing and storing product , especially glassware such as fluorescent lights and mercury vapor lamps , which when crushed , produces injurious substances , particularly mercury compounds , broken glass , and phosphorous powder . a flat funnel depending from a crushing chamber communicates with a round drum lid that has an opening coterminous with the narrow end of the flat funnel , so that crushed product is directed to the drum . a suction source is connected via the drum , through an opening in the lid , to the funnel - shaped compartment .