all activities in the field of cleaning, in particular office cleaning, commercial premises and public buildings, as well as all routine maintenance services for buildings, disinfection of premises, concierge services, end-of-lease and end-of-construction cleaning; provision of carpet cleaning services; all garden maintenance services, removal services as well as all activities in the field of secondary work, including masonry, carpentry, tile laying, sheet metal work, roofing, heating, sanitary, ventilation, air conditioning and electrical installations, as well as the sale of products and materials related to its activity.