As {TAIL ~ the integral design} of {HEAD ~ the invention} is simple, it can allow DIY by the user 
As { TAIL ~ the integral design } of { HEAD ~ the invention } is simple , it can allow DIY by the user
OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH