Silviculture: afforestation, re-afforestation, pricking, thinning, conservation of forests and cutting
Forest management: tree cutting and production of raw woods such as mine timber, splitted tree props, wood piles and firewood
Study, development of the production of active principles for drug manufacture
Ship paint by specialized units
Building of sport fields, game fields, swimming pools, etc.
Making of horizontal drillings for cables or pipes
Setting of lighting and signalling systems for roads, railroads, port and airport installations (including the setting of notice boards)
Implementation in buildings or in other projects of building of: thermal insulation materials, acoustic and antivibrating insulation materials
Installation of blinds and florentine blinds
Other work of n.e.s. installation, including accessories installation
Work of general installation
Setting of antennas and lightning rods
Assembling of movable partitions, recoverings for walls, ceilings, etc., in metal
Paint of metallic works
Paint of ships and boats by non-specialized units
Cleaning of new buildings and restoring after works
Cleaning with steam, sandblasting and similar activities used on the outside of buildings
Making of repointing works
Assembling of elements of metallic structures, not made by the unit making the works
Making of lifting works for third parties
Assembling and disassembling of scaffoldings and work platforms
Retail trade of cleaning products
Retail trade of strings and ropes
Networks maintenance
Design and realization of projects interesting electric and electronic engineering, mining, chemical and industrial engineering, the engineering of systems, security technics, etc.
Guides, touristic information services and similar
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