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In commercial lodging establishments (hotels, resorts, inns, boarding houses etc.), housekeeping is the work of providing a clean, comfortable, safe and aesthetically appealing environment for the guests, and the operational department in a hotel is responsible for these activities in rooms, public areas, back areas and the surroundings.
In the great houses of the eighteenth, nineteenth and early twentieth centuries, the housekeeper could be a woman of considerable power in the domestic arena. [citation needed] The housekeeper of times past had her room (or rooms) cleaned by junior staff, her meals prepared and laundry taken care of, and with the butler presided over dinner in the Servants' Hall.
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.
Cleaning is the process of removing unwanted substances, such as dirt, infectious agents, and other impurities, from an object or environment. Cleaning is often performed for aesthetic , hygienic , functional , safety , or environmental protection purposes.
Design Patterns: Elements of Reusable Object-Oriented Software (1994) is a software engineering book describing software design patterns. The book was written by Erich Gamma , Richard Helm , Ralph Johnson , and John Vlissides , with a foreword by Grady Booch .
Software engineer and instructor, Robert C. Martin, [9] [10] [1] introduced the collection of principles in his 2000 paper Design Principles and Design Patterns about software rot. [ 10 ] [ 7 ] : 2–3 The SOLID acronym was coined around 2004 by Michael Feathers.
A 98% biodegradable or other, [2] slightly moist absorbent cleaning compound may be spread evenly over carpet and brushed or scrubbed in. For small areas, a household hand brush can work such a compound into carpet pile; working like "tiny sponges", the attracted cleaning solution dissolves dirt, and dirt and grime is attracted/absorbed to the compound.
The bridge pattern is useful when both the class and what it does vary often. The class itself can be thought of as the abstraction and what the class can do as the implementation. The bridge pattern can also be thought of as two layers of abstraction. When there is only one fixed implementation, this pattern is known as the Pimpl idiom in the ...