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doc#121 the detergent or surface -active material
doc#121 and hard- surface cleaning lies in
doc#121 and kind of surface involved. One
doc#121 have a specific surface area of <formul>
doc#121 used a Brush surface -analyzer in
doc#121 , depending upon surface roughness. There
doc#121 and hard- surface cleaning. Exclusive
doc#121 case with the surface -active agent
doc#121 of hard- surface cleaning are not
doc#121 In hard- surface cleaning, the
doc#121 any wetting or surface -active agent
doc#121 a hard- surface cleaning formulation.
doc#121 of hard- surface cleaners. In
doc#121 in hard- surface cleaning has been
doc#121 mechanically held by surface irregularities to some
doc#121 to an uncharged surface . Obviously,
doc#121 to an uncharged surface and vice versa
doc#121 attracted to a surface exhibiting an opposite
doc#121 onto a soiled surface by sticky substances
doc#121 or by the surface tension of liquids