oil spray
111Flamethrower — A flamethrower is a mechanical device designed to project a long controllable stream of fire.Some flamethrowers project a stream of ignited flammable liquid; some project a long gas flame. Most military flamethrowers use liquids, but commercial… …
112Health measures during the construction of the Panama Canal — One of the greatest challenges facing the builders of the Panama Canal was dealing with the tropical diseases rife in the area. The health measures taken during the construction contributed greatly to the success of the canal s construction.… …
113Chemical warfare — For other uses, see Chemical warfare (disambiguation). This article forms part of the series Chemical agents Lethal agents Blood agents Cyanogen chloride (CK) …
114Fire sprinkler system — A fire sprinkler system is an active fire protection measure, consisting of a water supply, providing adequate pressure and flowrate to a water distribution piping system, onto which fire sprinklers are connected. Although historically only used… …
115Magnetic nanoparticles — are a class of nanoparticle which can be manipulated using magnetic field. Such particles commonly consist of magnetic elements such as iron, nickel and cobalt and their chemical compounds. While nanoparticles are smaller than 1 micrometer in… …
116DDT — For other uses, see DDT (disambiguation). DDT …
117Vinegar — is a liquid substance consisting mainly of acetic acid and water, the acetic acid being produced through the fermentation of ethanol by acetic acid bacteria.[1]. Commercial vinegar is produced either by fast or slow fermentation processes. Slow… …
118Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …
119Ozone depletion — Image of the largest Antarctic ozone hole ever recorded (September 2006) Ozone depletion describes two distinct but related phenomena observed since the late 1970s: a steady decline of about 4% per decade in the total volume of ozone in Earth s… …
120Instant coffee — is a beverage derived from brewed coffee beans. Through various manufacturing processes the coffee is dehydrated into the form of powder or granules. These can be rehydrated with hot water to provide a drink similar (though not identical) to… …
