The saw is roaring in his ears. Standing on the ladder, he guides the thin saw blade along the pencil line. Only a few centimetres separate him from success. Done – a small piece of plasterboard becomes a victim of gravity and falls to the ground. Daniel puts his fingers into the borehole and fiddles the thin cable out of the opening. Just plug it in and you're done. Easier than expected – he smiles relaxed. This project had cost him many sleepless nights. Now he looks at his work with satisfaction.