welding practices
31Chobham armour — A pre series American M1 Abrams, the first main battle tank type to be protected by Chobham armour …
32Company rule in India — For usage, see British Empire in India Company rule in India Colony of the East India Company ↓ …
33environmental 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 …
34Nondestructive testing — or Non destructive testing (NDT) is a wide group of analysis techniques used in science and industry to evaluate the properties of a material, component or system without causing damage.[1] The terms Nondestructive examination (NDE),… …
35Scuba diving — Not to be confused with Self contained breathing apparatus, which describes breathing sets used out of water. Scuba diver Scuba diving ( SCUBA originally being an acronym for self contained underwater breathing apparatus, now widely considered a… …
36Hexavalent chromium — Hex chrome redirects here. For the color printing process, see Hexachrome. An example of a chromium(VI) compound: chromium trioxide Hexavalent chromium (chromium VI) refers to chemical compounds that contain the element chromium in the +6… …
37metalwork — metalworker, n. /met l werrk /, n. objects made of metal. [1840 50; METAL + WORK] * * * Useful and decorative objects fashioned of various metals. The oldest technique is hammering. After с 2500 BC, casting was also used, molten metal being… …
38Rail transport in California — The establishment of America s transcontinental rail lines securely linked California to the rest of the country, and the far reaching transportation systems that grew out of them during the century that followed contributed to the state’s social …
39West Pharmaceutical Services explosion — The West Pharmaceutical Plant explosion was an industrial disaster that occurred on January 29, 2003 at the West Pharmaceutical Plant in Kinston, North Carolina, United States. Six people were killed and thirty six people were injured when a… …
40Corrugated fiberboard — is a paper based material consisting of a fluted corrugated sheet and one or two flat linerboards. It is widely used in the manufacture of corrugated boxes and shipping containers. The corrugated medium and linerboard are made of containerboard,… …
