The two partial areas of the decorative frame complementary to each other mutually overlap by measurement , which corresponds to {HEAD ~ the area tolerances} of {TAIL ~ the glass sheets} 
The two partial areas of the decorative frame complementary to each other mutually overlap by measurement , which corresponds to { HEAD ~ the area tolerances } of { TAIL ~ the glass sheets }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL