ingress of oil
11ICF Bogie — is a conventional railway bogie used on the majority of Indian Railway main line passenger coaches. The design of the bogie was developed by ICF (Integral Coach Factory), Perumbur, India in collaboration with the Swiss Car Elevator Manufacturing… …
12Pakistan — /pak euh stan , pah keuh stahn /, n. 1. Islamic Republic of, a republic in S Asia, between India and Afghanistan: formerly part of British India; known as West Pakistan from 1947 71 to distinguish it from East Pakistan (now Bangladesh).… …
13Grease (lubricant) — Although the word grease originally described the rendered fat of animals, the term is now applied more broadly to mean a lubricant of higher initial viscosity than oil, consisting originally of a calcium, sodium or lithium soap jelly emulsified… …
14Switchgear — The term switchgear, used in association with the electric power system, or grid, refers to the combination of electrical disconnects, fuses and/or circuit breakers used to isolate electrical equipment. Switchgear is used both to de energize… …
15History of coal mining — Due to its abundance, coal has been mined in various parts of the world throughout history and continues to be an important economic activity today. Compared to wood fuels, coal yields a higher amount of energy per mass and could be obtained in… …
16lubrication — See lubricate. * * * Introduction of any of various substances between sliding surfaces to reduce wear and friction. Lubricants may secondarily control corrosion, regulate temperature, electrically insulate, remove contaminants, or damp shock.… …
17Ocean Ranger — drilling in Cook Inlet, Alaska. Career Name: Ocean Ranger Owner …
18Port of Hull — Coordinates: 53°44′17″N 0°19′55″W / 53.738°N 0.332°W / 53.738; 0.332 …
19de Havilland Mosquito — DH.98 Mosquito The Mosquito B Mk XVI ML963 of 571 Squadron this aircraft was lost on an operation to Berlin in April 1945 …
20Battle of the Denmark Strait — Infobox Military Conflict conflict=Battle of the Denmark Strait caption=Bismarck firing at HMS Prince of Wales, shortly after the sinking of HMS Hood on the 24 May 1941. partof=World War II date=May 24 1941 place=Denmark Strait result=German… …
