vacuum check
91Multimeter — A digital multimeter A multimeter or a multitester, also known as a VOM (Volt Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability …
92Fock state — A Fock state (also known as a number state), in quantum mechanics, is any element of a Fock space with a well defined number of particles (or quanta). These states are named after the Soviet physicist, V. A. Fock. Contents 1 Definition 2 Energy… …
93Polyethylene terephthalate — PETE redirects here. For the first name, see Peter (disambiguation). For other uses, see Pete (disambiguation). Polyethylene terephthalate fibre IUPAC name …
94Relief valve — The relief valve is a type of valve used to control or limit the pressure in a system or vessel which can build up by a process upset, instrument or equipment failure, or fire. The pressure is relieved by allowing the pressurised fluid to flow… …
95Modified atmosphere — Testing the atmosphere in a plastic bag of carrots Modified atmosphere is the practice of modifying the composition of the internal atmosphere of a package (commonly food packages, drugs, etc) in order to improve the shelf life. The modification… …
96Falcon 9 — Infobox rocket name =Falcon 9 caption =Falcon 9 (left) and Falcon 9 Heavy (right) function =Man rated re usable heavy orbital launch vehicle manufacturer =SpaceX country origin = United States cpl year =2006 cpl = Normal: $35m (USD) Heavy: $78m… …
97Mr. Boogedy — Written by Michael Janover Directed by Oz Scott Starring Richard Masur Mimi Kennedy Benjamin Gregory David Faustino Country of origin …
98Molded pulp — Molded pulp, also named Moulded pulp or Molded Fibre, is a packaging material, typically made from recycled paperboard and/or newsprint. It is used for protective packaging or for food service trays and beverage carriers. Other typical uses are… …
99Modern searches for Lorentz violation — Important motivations for modern searches for Lorentz violation are deviations from Lorentz invariance (and thus special relativity) predicted by some variations of quantum gravity, string theory, and some alternatives to general relativity.… …
100Concrete saw — A concrete saw being readied for use. The man in the background is preparing the hose to deliver water to cool the saw, whilst the operator is moving the saw to the required position. A substantial engine powers the unit …
