The lower weep hole exists to allow fluid to collect or drain out of the water pump to protect the bearing integrity. In a horizontal centrifugal pump there is little space between the bearing and the seal so fluid build-up could potentially threaten the bearing.
Definition of PETRI DISH. 1. : a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology.2. ADVERTISEMENT.Julius R. Petri â 1921 German bacteriologist.. : a small shallow dish of thin glass or plastic with a loose cover used especially for cultures in bacteriology. 2. ADVERTISEMENT. Julius R. Petri â 1921 German bacteriologist.
--Danielle. Technically, a sprig is a small branch or shoot of a plant. Unfortunately, that's pretty much useless knowledge in the kitchen. The problem though, is that a lot of cooking is about inexact measures such as sprigs, pinches, dashes, handsfull and the all time favorite to taste.