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This is a list of notable cleaning companies. Cleaning is the process of removing unwanted substances, such as dirt, infectious agents, and other impurities, from an object or environment. Cleaning occurs in various commercial, industrial, environmental, and domestic contexts, which differ in scale and requirements.
Green cleaning refers to using cleaning methods and products with environmentally friendly ingredients and procedures which are designed to preserve human health and environmental quality. [1] Green cleaning techniques and products avoid the use of products which contain toxic chemicals , some of which emit volatile organic compounds causing ...
Gypsum waste from new construction activities is typically a clean waste, and primarily consists of off-cuts of plasterboard (drywall, wallboard or gyprock) when the boards have been cut to fit the dimensions of the wall or ceiling. The waste may constitute 15% of the gypsum materials used on the site.
The basic conceptualization of nature from the perspective of environmental economics is that manufactured capital can be used as a substitute for natural capital. [13] The definition of PES provided by environmental economics is the most popular: a voluntary transaction between a service buyer and service seller that takes place on the condition that either a specific ecosystem service is ...
These systems have a strong potential to be sustainable sanitation systems if technical, institutional, social and economic aspects are managed appropriately." [ 2 ] Prior to 2012, ecosan has often been associated with urine diversion and in particular with urine-diverting dry toilets (UDDTs) , a type of dry toilet .
Various sized cuts of 1 ⁄ 2 in (13 mm) drywall with tools for maintenance and installation . Drywall (also called plasterboard, dry lining, [1] wallboard, sheet rock, gib board, gypsum board, buster board, turtles board, slap board, custard board, gypsum panel and gyprock) is a panel made of calcium sulfate dihydrate (), with or without additives, typically extruded between thick sheets of ...
An example of an ecosystem service is pollination, here by a honey bee on avocado crop. Ecosystem services are the various benefits that humans derive from healthy ecosystems. These ecosystems, when functioning well, offer such things as provision of food, natural pollination of crops, clean air and water, decomposition of wastes, or flood ...
A clean-in-place unit on display at the World of Coca-Cola in Atlanta. Clean-in-place (CIP) is an automated method of cleaning the interior surfaces of pipes, vessels, equipment, filters and associated fittings, without major disassembly. CIP is commonly used for equipment such as piping, tanks, and fillers.