two-way simultaneous operation
31Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… …
32World War II — WWII redirects here. For other uses, see WWII (disambiguation) …
33Segregated cycle facilities — A bike lane on the side of a highway. Utrecht has specially painted …
34English Electric KDF8 — KDF8 was an early British computer designed and built by English Electric, later English Electric Leo Marconi, EELM, later still incorporated into ICL. Background During the late 1950s English Electric embarked on two major computer projects.… …
35operations research — the analysis, usually involving mathematical treatment, of a process, problem, or operation to determine its purpose and effectiveness and to gain maximum efficiency. [1940 45, Amer.] * * * Application of scientific methods to management and… …
36star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
37Telecommunication — A parabolic satellite communication antenna at the biggest facility for satellite communication in Raisting, Bavaria, Germany …
38Catalytic converter — A catalytic converter (colloquially, cat or catcon ) is a device used to reduce the toxicity of emissions from an internal combustion engine. First widely introduced on series production automobiles in the US market for the 1975 model year to… …
39Switch — For other uses, see Switch (disambiguation). Electrical switches. Top, left to right: circuit breaker, mercury switch, wafer switch, DIP switch, surface mount switch, reed switch. Bottom, left to right: wall switch (U.S. style), miniature toggle… …
40Indian Peace Keeping Force — Infobox Military Unit unit name=Indian Peace Keeping Force भारतीय शान्ति सेना caption= IPKF First day cover released by the Government of India. dates=July 1987 ndash;March 1990 country=Sri Lanka allegiance=flagicon|India India branch=Indian Army …
