Essential amino acids. There are nine amino acids that your body canât make. They are called essential amino acids, meaning you must have them to live. They are found in foods like milk, eggs and meat and also a wide variety of plants. This is part of why you canât survive on a diet of just corn chips for very long.
Definition of PLENUM. 1. a: a space or all space every part of which is full of matter b: an air-filled space in a structure; especially: one that receives air from a blower for distribution (as in a ventilation system). 2.. a: a space or all space every part of which is full of matter b: an air-filled space in a structure; especially: one that receives air from a blower for distribution (as in a ventilation system).
Definition of Plenum in Construction. A plenum is a space designated for air flow or can describe a space devoted to mechanical, electrical or sprinkler lines. The term plenum, could be a large section of ductwork, or the upper space above a ceiling. Any large space designated for any type of air flow or routing of systems, can be called a plenum. The space providing air is called a supply plenum and the space providing air return is referred to as a return plenum.