Working at height, high-rise services, high-scalers' services, high-scalers' works. Industrial climbing, rope access. All types of assembly and construction works at height. Assembly works at high-rise buildings, castles, bridges. Construction, repair works, repairs, building, renovation, restoration, renovation, building servicing. Drain system, drains, installation and repair of drain systems. Cleaning, cleaning of drains, removal of moss, repair of roofs, roof maintenance, roof cleaning roof dyeing, chimney, funnel cleaning. Bridge, tower, water-tower - restoration, cleaning, dyeing, column dyeing. Fronts, front works, heat insulation, front dyeing, front work, heat insulation of fronts, front dyeing, front splits and joints - waterproofing, front washing using high-pressure. Window washing, glass walls, glass constructions - washing, removal of snow and ice from roofs and cornices, removal of icicles, removal of ice-coat from roofs.