earth leakage current
121Water resources — A natural wetland Water resources are sources of water that are useful or potentially useful. Uses of water include agricultural, industrial …
122Radioactive waste — 2007 ISO radioactivity danger logo, designed in part for long term radioactive waste depositories which might survive into a far future time in which all knowledge of the meaning of present common radiation danger symbols and signs has been lost… …
123November 2007 — is the eleventh month of that year. It began on a Thursday and 30 days later, ended on a Friday. International holidays November 1 – All Saints Day. November 1 – World Vegan Day. November 2 – Day of the Dead November 5 – Guy Fawkes United Kingdom …
124Corona — This article is about the astronomical term. For other uses, see Corona (disambiguation). During a total solar eclipse, the solar corona can be seen with the naked eye. A corona is a type of plasma atmosphere of the Sun or other celestial body,… …
125DC connector — A DC connector (or DC plug, for one common type of connector) is an electrical connector for supplying direct current (DC) power. Unlike domestic AC power plugs and sockets, DC connectors are not generally standardized. The dimensions and… …
126Trionic T5.5 — Engine management system SAAB TRIONIC T5.5 Courtesy of: DrBoost Overview Saab Trionic T.5.5 is an engine management system that controls ignition, fuel injection and turbo boost pressure. The system was introduced in 1994 Saab 900 with B204L… …
127steel — steellike, adj. /steel/, n. 1. any of various modified forms of iron, artificially produced, having a carbon content less than that of pig iron and more than that of wrought iron, and having qualities of hardness, elasticity, and strength varying …
128environmental works — ▪ civil engineering Introduction infrastructure that provides cities and towns with water supply, waste disposal, and pollution control services. They include extensive networks of reservoirs, pipelines, treatment systems, pumping stations …
