Dirt and metal particles

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• soap and detergent — ▪ chemical compound Introduction       substances that, when dissolved in water, possess the ability to remove dirt (detergent) from surfaces such as the human skin, textiles, and other solids. The seemingly simple process of cleaning a soiled… …   Universalium

• Dioxins and dioxin-like compounds — (DLC)[1] are by products of various industrial processes, and are commonly regarded as highly toxic compounds that are environmental pollutants and persistent organic pollutants (POPs).[2] They include:[1][3] Polychlorinated dibenzo p dioxins… …   Wikipedia

• Tack cloth — is a sticky (or tacky) material used for removing dust from a surface prior to finishing it with paint, varnish, or some similar product. Introduction Tack cloth is typically used in woodworking, but can be used in other applications as well.… …   Wikipedia

• Toronto Transit Commission fares — Obverse and reverse of the TTC single ride token introduced in 2006. On the Toronto Transit Commission, fares may be paid with a variety of media, the price of which may be determined by the age of the rider. Contents …   Wikipedia

• Vacuum cleaner — Cylinder vacuum cleaner for home use. French train vacuum cleaner …   Wikipedia

• Central vacuum cleaner — The power unit of a typical central vacuum cleaner for residential use A central vacuum cleaner (also known as built in or ducted) is a type of vacuum cleaner appliance, installed into a building as a semi permanent fixture. Central vacuum… …   Wikipedia

• Parts cleaning — is essential to many industrial processes, as a prelude to surface finishing or to protect sensitive components. Electroplating is particularly sensitive to part cleanliness, since molecular layers of oil can prevent adhesion of the coating. ASTM …   Wikipedia

• Dust collector — Two rooftop dust collectors in Pristina, Kosovo A dust collector is a system used to enhance the quality of air released from industrial and commercial processes by collecting dust and other impurities from air or gas. Designed to handle heavy… …   Wikipedia

• Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …   Universalium

• Air filter — An air filter is a device which removes solid particulates such as dust, pollen, mold, and bacteria from air. Air filters are used in applications where air quality is important, notably in building ventilation systems and in engines, such as… …   Wikipedia

• Horse grooming — For other types of grooming see Groom Common tools used for grooming a horse Horse grooming is hygienic care given to a horse, or a process by which the horse s physical appearance is enhanced for horse shows or other types of competition …   Wikipedia