OSHA Technical Manual (OTM) . Section III: Chapter 5 Noise .
Sound frequency is perceived as pitch (i.e., how high or low a tone is). .. When sound reflecting objects such as walls or machinery are introduced into ... by three digit North American Industrial Classification System (NAICS) codes in two ... with the atmospheric air, creating excessive turbulence and particle separation.
CPC Definition A47L DOMESTIC WASHING OR CLEANING .
Machines for cleaning floors, carpets, furniture, walls, or wall coverings ... filter separating small particles contained in air flowing through it and which is not .. to said implements are classified here too (storing devices, shakers for dust cloths, dust ... Controlling methods to detect and/or prevent and/or reduce noise during.Get Price