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.
In simple words, windsocks are basically a device that is used to determine the strength and direction of the wind flow.It is mostly found in open areas such as seaports, highways, airports and mountainous regions. Its shape resembles that of a conical tube and the opening end is tied to a windsock pole.n simple words, windsocks are basically a device that is used to determine the strength and direction of the wind flow.