CSM

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

Foundation elements, piles, support walls, retaining walls in soil, of binding agents or sealing suspensions and soil

Special underground work, placing of vertical bore holes and vertical channels in soil and erecting of foundation elements, piles, support walls and retaining walls of binding agents and soil, or of sealing suspensions and soil