1. Besides means excepting.
Everyone besides me is at the beach.
2. Besides means in addition to.
Besides all of my friends, all of their brothers and sisters are there, too.
Precautions while using Laboratory Thermometers
Laboratory thermometer safety depends on the type of laboratory thermometer: broken alcohol thermometers and other nonmercurylaboratory thermometers only needs the same cleanup as any other broken glass. A broken mercury thermometer requires special cleaning procedures.