When constructing {TAIL ~ an electrical or electronic device} or mechanical device such as {HEAD ~ a tape recorder}, the framework therefor must be provided with various projections for installing various components to be contained therein, or something such as a spring for actuating the mechanism incorporated thereon must be previously provided on the framework 
When constructing { TAIL ~ an electrical or electronic device } or mechanical device such as { HEAD ~ a tape recorder } , the framework therefor must be provided with various projections for installing various components to be contained therein , or something such as a spring for actuating the mechanism incorporated thereon must be previously provided on the framework
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH