vacuum-cleaning
71Housekeeping — For other uses, see Housekeeping (disambiguation). Broom, sponge and towel Housekeeping is the act of cleaning the rooms and furnishings of a home. It is one of the many chores included in the term housework. Housecleaning includes activities… …
72art conservation and restoration — Maintenance and preservation of works of art, their protection from future damage, deterioration, or neglect, and the repair or renovation of works that have deteriorated or been damaged. Research in art history has relied heavily on 20th and… …
73Kirby Company — Infobox Company company name = Kirby Company company company type = subsidiary of Berkshire Hathaway foundation = 1914 location = Cleveland, Ohio industry = Consumer products products = Vacuum cleaners revenue = operating income = net income =… …
74Microfabrication — Synthetic detail of a micromanufactured integrated circuit through four layers of planarized copper interconnect, down to the polysilicon (pink), wells (greyish) and substrate (green) Microfabrication is the term that describes processes of… …
75Cavitation — is defined as the phenomenon of formation of vapour bubbles of a flowing liquid in a region where the pressure of the liquid falls below its vapour pressure. Cavitation is usually divided into two classes of behavior: inertial (or transient)… …
76food preservation — Any method by which food is protected against spoilage by oxidation, bacteria, molds, and microorganisms. Traditional methods include dehydration, smoking, salting, controlled fermentation (including pickling), and candying; certain spices have… …
77Laser printer — HP LaserJet 4200 series printer, installed atop high capacity paper feeder …
78HEPA — A high efficiency particulate air or HEPA [ [http://www.eh.doe.gov/hepa/ High Efficiency Particulate Arresting Filters] ] (IPAEng|ˈhɛpə) filter is a type of high efficiency air filter.FunctionHEPA filters can remove at least 99.97% of particles 0 …
79Resin casting — A resin casting system is a technical installation to process casting resin for the purpose of filling, sealing, covering or soaking technical parts, especially in the field of electricity and electronics like transformers, LCDs and other small… …
80Business and Industry Review — ▪ 1999 Introduction Overview Annual Average Rates of Growth of Manufacturing Output, 1980 97, Table Pattern of Output, 1994 97, Table Index Numbers of Production, Employment, and Productivity in Manufacturing Industries, Table (For Annual… …
