Terracing work: digging, grading of construction sites, opening of trenches, removal of rocks, destruction with explosives, etc.
Preparation of sites for mining: overburden removal and other work of planning and preparation for mining sites
Setting of electric cables and appliances
Setting of telecommunication systems and computer installations
Installation of blinds and florentine blinds
Setting of antennas and lightning rods
Assembling of inside and outside metallic woordworks: doors, windows, frames for windows and doors, stairs, closets for equipped kitchens, shop equipments, etc.
Assembling of movable partitions, recoverings for walls, ceilings, etc., in metal
Assembling of garage doors, blinds, louvers, grids, etc. in metal
Assembling of metal covered doors and metallic fire doors
Assembling of partitions in gypsum
Activities of disinfection and destruction of parasites in buildings, ships, trains, etc.
Preparing land for construction
Various ancillary activities in regard to housing facilities