Do not ever use your mouth to pull the liquid into a pipet. This is the
most common method of becoming poisoned in a chemical laboratory or becoming
infected in a clinical laboratory. Mouth pipetting is forbidden in the chemistry
Do not allow the solution to be drawn up into the bulb. This will result
in chemicals getting on top of the pipet where you must put your finger.
Do not insert the pipet into the hole in the bulb. You might break the pipet
and cut yourself while trying to insert it. Also, having the bulb attached
to the pipet increases the risk of drawing the solution into the bulb.