General rules to follow when handling glassware:
damage to glassware during handling and storage.
glassware before and after each use. Discard or repair
any cracked, broken, or damaged glassware.
clean and decontaminate glassware after each use.
inserting glass tubing into rubber stoppers, corks, or tubing,
follow these guidelines:
Never use laboratory glassware to serve
food or drinks.