Building of highways, roads, streets, pavements and other roads for vehicles and pedestrians (including the setting of guard rails)
Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Ground-water lowering and dredging of construction sites
Removal on construction sites
Inside cleaning of all kind of buildings: offices, industries, institutional premises and other premises for professional or trade use, apartment buildings, etc
Window cleaning
Chimney sweeping and cleaning of hearths, ovens, incinerators, boilers, air ducts and smoke removal appliances
Activities of disinfection and destruction of parasites in buildings, ships, trains, etc.
Cleaning of trains, buses, planes, ships, etc., including oil tankers
Sanitation and other types of waste management
Other types of works with regard to the completion of buildings
Services concerning transportation by land
Eating houses with a limited service
Other types of cleaning of buildings; industrial cleaning