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.
An example of a finger cot. A finger cot (also finger frock or finger stall, informally finger condom) is a medical supply used to cover one or more fingers in situations where a full glove is unnecessary. Like medical and rubber gloves, finger cots may be made from a variety of water-tight materials including latex, nitrile rubber, and vinyl. A toe protector or toe cap is very similar, but shorter and of greater diameter.