low fluid loss mud
71Methanol — Not to be confused with menthol. For methane water ice , see Methane clathrate. For resolution of hydrate / clathrate confusion, see hydrate. Methanol …
72Manual transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …
73New Zealand green-lipped mussel — Scientific classification Kingdom: Animalia Phylum …
74Central African Republic — a republic in central Africa: a member of the French Community. 3,342,051; 238,000 sq. mi. (616,420 sq. km). Cap.: Bangui. Formerly, Central African Empire, Ubangi Shari. * * * Central African Republic Introduction Central African Republic… …
75hand tool — any tool or implement designed for manual operation. * * * Introduction any of the implements used by craftsmen in manual operations, such as chopping, chiseling, sawing, filing, or forging. Complementary tools, often needed as auxiliaries to… …
76Tractor — This article is about a vehicle used in agriculture or construction. For the power unit of a semi trailer truck (articulated lorry), see tractor unit. For other uses, see Tractor (disambiguation) …
77Core sample — Rock core samples. The product of a Diamond rig. (The bird is a Pied Butcherbird.) A core sample is a cylindrical section of (usually) a naturally occurring substance. Most core samples are obtained by drilling with special drills into the… …
78Western architecture — Introduction history of Western architecture from prehistoric Mediterranean cultures to the present. The history of Western architecture is marked by a series of new solutions to structural problems. During the period from the… …
79Semi-automatic transmission — Transmission types Manual Sequential manual Non synchronous Preselector Automatic Manumatic Semi automatic Electrohydraulic …
80geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …
