concrete quality control
81Loudspeaker enclosure — A loudspeaker enclosure is a cabinet designed to transmit sound to the listener via mounted loudspeaker drive units. The major role of the enclosure is to prevent the out of phase sound waves from the rear of the speaker from combining with the… …
82Insulated glazing — (IG) also known as double glazing are double or triple glass window panes separated by an air or other gas filled space to reduce heat transfer across a part of the building envelope. Glass in windows is used to provide light and allow a view… …
83Eco-cement — is a brand name for a type of cement which incorporates reactive magnesia (sometimes called caustic calcined magnesia or magnesium oxide, MgO), another hydraulic cement such as Portland cement, and optionally pozzolans and industrial by products …
84systems engineering — ☆ systems engineering n. a branch of engineering using esp. information theory, computer science, and facts from systems analysis studies to design integrated operational systems for specific complexes systems engineer n. * * * Technique of using …
85Denver Broncos — Current season Established 1960 Play in Sports Authority Field at Mile High Denver, Colorado Headquartered in the Paul D. Bowlen Memorial Centre Dove Valley, Colorado …
86Engineering Aide (US Navy) — Engineering Aide (abbreviated as EA) is a United States Navy occupational rating.Engineering Aides plan, supervise and perform tasks required in construction surveying, construction drafting, planning and estimating and quality control; prepare… …
87Semi Automatic Ground Environment — The Semi Automatic Ground Environment (SAGE) was an automated control system for tracking and intercepting enemy bomber aircraft used by NORAD from the late 1950s into the 1980s. In later versions, the system could automatically direct aircraft… …
88Performance improvement — is the concept of measuring the output of a particular process or procedure, then modifying the process or procedure in order to increase the output, increase efficiency, or increase the effectiveness of the process or procedure. The concept of… …
89Marsh funnel — The Marsh funnel viscometer is a simple device for measuring viscosity from the time it takes a known volume of liquid to flow from the base of a cone through a short tube. It is particularly used by mud engineers to check the quality of drilling …
90Essential oil — A glass vial containing sandalwood oil An essential oil is a concentrated hydrophobic liquid containing volatile aroma compounds from plants. Essential oils are also known as volatile oils, ethereal oils or aetherolea, or simply as the oil of the …
