Here is an important list of "nevers" to follow when using a compound light microscope in the lab. 1. never swing the microscope. 2. never touch the lenses with your fingers. 3. never carry the microscope with one hand. 4. never cover the microscope when not in use. which "never" should be replaced with an "always"? a) never swing the microscope. b) never carry the microscope with one hand. c) never touch the lenses with your fingers. d) never cover the microscope when not in use.