CSM

Construction machines for underground work, namely, ground boring and rock drilling machines for constructing piles and curtains in soil; subterraneous curtain cutting machines, soil working machines; construction machines for mixing ground material with binding agents or sealing suspensions

Foundation elements, namely, concrete piles, concrete blocks, concrete beams, non-metal sheet piles, concrete support walls, concrete retaining walls of binding agents or sealing suspensions and soil

[ Underground construction, namely, placing of vertical bore holes and vertical channels in soil and erecting of foundation elements, namely, concrete piles, non-metal sheet piles, support walls and retaining walls of binding agents and soil, or of sealing suspensions and soil; milling and drilling, namely, hole digging and excavating, digging of trenches, and boring and drilling earth; producing of retaining elements from binding agents and soil; cementing services; excavation services; foundation contractor services; land reclamation; leasing and rental of construction and building equipment; machinery maintenance and repair; underwater building and construction ]