sprayed coating
51Tin — is a chemical element with the symbol Sn ( la. stannum) and atomic number 50. This silvery, malleable poor metal that is not easily oxidized in air and resists corrosion, is found in many alloys and is used to coat other metals to prevent… …
52Hollow-point bullet — A hollow point is a bullet that has a pit or hollowed out shape in its tip, generally intended to cause the bullet to expand upon entering a target in order to decrease penetration and disrupt more tissue as it travels through the target. As a… …
53Airbrush — An airbrush is a small, air operated tool that sprays various media including ink and dye, but most often paint by a process of nebulization. Spray guns developed from the airbrush and are still considered a type of airbrush.HistoryThe first… …
54Silvering — is the chemical process of coating glass with a reflective substance.Glass mirrors were first coated by molten metal. Later, tin amalgam was used. The mercury contamination by this process made it necessary to switch to the more expensive silver… …
55Piston ring — A piston ring is an open ended ring that fits into a groove on the outer diameter of a piston in a reciprocating engine such as an internal combustion engine or steam engine. The three main functions of piston rings in reciprocating engines are:# …
56Metered-dose inhaler — ProAir HFA Albuterol Sulfate(US) A metered dose inhaler (MDI) is a device that delivers a specific amount of medication to the airway and lungs, in the form of a short burst of aerosolized medicine that is inhaled by the patient. It is the most… …
57Weather testing of polymers — is the controlled polymer degradation and polymer coating degradation under lab or natural conditions.Just like errosion of rocks, natural phenomena can cause degratation in polymer systems. The elements of most concern to polymers are… …
58Metalization — may refer to one of a number of different processes on Wikipedia: Coating a covering applied an object s surface that improves surface properties: adhesion, resistance to corrosion or wear or scratches. Metallizing (also metalize) to coat, treat …
59Asbestos — For other uses, see Asbestos (disambiguation). Fibrous asbestos on muscovite …
60Christmas tree — For other uses, see Christmas tree (disambiguation). A lit up Christmas Tree with ornaments [1] The Christmas tree, also known as a Yule tree, is a decorated evergreen coniferous tree, real o …
