Pipettes and it's types. Pipettes. These are used to transfer a known volume of liquid from one container to another. They are designed either to contain (TC) a specific volume of liquid or to deliver (TD) a specified volume.
1 Frock (especially in the phrase short frock) is also a child's dress or light overdress. 2  A frock is a dense knitted overgarment worn by sailors and fishermen, as guernsey frock, jersey frock (now usually simply guernsey and jersey). 3  The name oil frock has been used for a type of sailor's oilskin.
A windsock is a conical textile tube (which resembles a giant sock, hence its name) designed to indicate wind direction and relative wind speed. Windsocks typically are used at airports and at chemical plants where there is risk of gaseous leakage. They are sometimes located alongside highways at windy locations.