frequent impurities
61Fuel oil — An oil tanker taking on bunker fuel. Fuel oil is a fraction obtained from petroleum distillation, either as a distillate or a residue. Broadly speaking, fuel oil is any liquid petroleum product that is burned in a furnace or boiler for the… …
62Antifreeze — is a freeze preventive used in internal combustion engines and other heat transfer applications, such as HVAC chillers and solar water heaters. The purpose of antifreeze is to prevent a rigid enclosure from undergoing catastrophic deformation due …
63Direct impingement — is a type of gas operation for a firearm that directs gas from a fired cartridge directly to the bolt carrier or slide assembly to cycle the action. Contents 1 …
64Consommé — Poultry consommé In cooking, a consommé is a type of clear soup made from richly flavored stock or bouillon that has been clarified usually through a fining process involving egg[citation needed …
65Air purifier — An air purifier is a device which removes contaminants from air. Air purifiers are commonly marketed as being particularly beneficial to allergy sufferers and asthmatics, and at reducing second hand tobacco smoke. Use of purifiers Dust, pollen,… …
66Chhindwara — This article is about the municipality in Madhya Pradesh, India. For its namesake district, see Chhindwara District. Chhindwara   town   …
67Diethylene glycol — Diethylene glycol …
68Women in Sikhism — The role of women in Sikhism was first outlined by the Sikh Scriptures, which state that the Sikh woman is to be regarded as equal to her male counterpart. In Sikhism, women are considered to have the same souls as men and an equal right to grow… …
69Kaolin Deposits of Charentes Basin, France — The geological unit called Charentes basin is composed of Eocene and Oligocene deposits, laid above karstic limestone formations of the Campagnien, in the North of the Aquitaine Basin. The kaolin clays of Charentes belong to this mainly… …
70Rail profile — Rail from 1896 Cross sections of flat bottomed which can rest directly …
