The invention relates to a method for driving {HEAD ~ an electric motor} which is employed, in particular, in {TAIL ~ manually guided electric tools}, such as drilling machines, screwing machines or the like 
The invention relates to a method for driving { HEAD ~ an electric motor } which is employed , in particular , in { TAIL ~ manually guided electric tools } , such as drilling machines , screwing machines or the like
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH