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Commercial cleaning is a broad term predominantly used by cleaning companies who earn an income by being contracted by individuals, businesses or corporations to carry out cleaning jobs on a variety of premises. Cleaning companies can be found in virtually every town and city in the world, with a higher concentration in affluent regions. Typically these companies market their services via a professional sales force, advertising, word of mouth, or websites. ==Premises cleaned== Premises that may use commercial cleaning include: *Shops *High-rises *Function Centers *Data Centers *Restaurants *Offices *Showrooms *Warehouses *Factories *Schools *Medical facilities *Government facilities *Airports 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「commercial cleaning」の詳細全文を読む スポンサード リンク
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