One is ama­zed when one hears what exci­ting chal­lenges an entre­pre­neur can face who sim­ply wants to replace one CNC sys­tem with ano­ther. At the Diehl stair­ca­se fac­to­ry in Frank­furt, it was the elec­tri­cal power that could have cau­sed parts of Frank­furt to go dark for a moment.