In a hand-held power tool, in particular an impact drill driver, having a torque setting unit, a gearbox assemblage, a hammer impact mechanism, and a tool spindle, the hammer impact mechanism has a drive rotation element having a rotation axis that is disposed coaxially with at least a part of the tool spindle. For example, appliances may be deployed in the datacenter and on the edge of the cloud. A garment is also provided that includes at least one auxetic foam layer. The extendable support includes an inner support connected to the room and the outer support connected to the vehicle. The laser source further includes a second erbium doped fiber for receiving and amplifying the optical signal from the EA modulator wherein the second erbium doped fiber having a length of several meters and a diameter greater than or equal to thirty-five micrometers.