This class includes:
——exterior cleaning of buildings of all types, including offices, factories, shops, institutions and other business and professional premises and multiunit residential buildings
——specialized cleaning activities for buildings such as window cleaning, chimney cleaning and cleaning of fireplaces, stoves, furnaces, incinerators, boilers, ventilation ducts and exhaust units
——swimming pool cleaning and maintenance services
——cleaning of industrial machinery
——bottle cleaning
——cleaning of trains, buses, planes, etc.
——cleaning of the inside of road and sea tankers
——disinfecting and exterminating activities
——street sweeping and snow and ice removal
——other building and industrial cleaning activities, not elsewhere classified (n.e.c.)

This class excludes:
——agriculture pest control, see 0161
——cleaning of sewers and drains, see 3700
——automobile cleaning, car wash, see 4520