loppy work was done during the reconstruction of a single-family house from the seventies. That's why the client terminated the contract with the company responsible. Matteo Marino and his team are now supposed to straighten things out. The full professionals take over a large field of rubble from their predecessors. Can the problem house still be saved? Roman Steinbock and his sons are dismantling a 64-meter-high scaffold on the Aalto Tower in Bremen. And at the quarry in Saxony, a 150-ton surface milling machine is on strike. The machine's vibration dampers are defective. (Text: DMAX)