Let X be a set and Ï a Ï-algebra over X. 1  A function Î¼ from Ï to the extended real number line is called a measure if it satisfies the following properties: 2  Non-negativity: For all E in Ï: Î¼(E) â¥ 0. 3  Null empty set: Î¼(â) = 0.
Contact wipe is an action designed into a contact so that the contact motion exceeds the initial electrical contact touch point. Using a flexible contact arm causes the contact surface to wipe against its counterpart as the arm bends slightly.
wipe. tr.v. wiped, wipÂ·ing, wipes. 1. a. To subject to light rubbing or friction, as with a cloth or paper, in order to clean or dry. b. To clean or dry by rubbing: wiped my feet before I went inside. c. To rub, move, or pass (a cloth, for example) over a surface. 2. a. To remove by or as if by rubbing: wipe off dirt; wipe away grease.