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temple so that the machine would cut the temple, and secured and
cut the temple. If the operator had cut off too much plastic,
the temple would have been scrapped. If the operator had cut off
too little plastic, the process would have been repeated.
After mitring the temple, the operator attached the temple
to the front. He or she performed that function by inserting a
temple into the endpiece of the front, aligning the temple holes
with the endpiece holes, and, while maintaining that alignment
with one hand, picking up and inserting a tiny screw into the
temple hole with the other hand, and fully tightening the screw.
The process was repeated with respect to the other temple.
During certain periods from 1985 through 1987, operators at
B&L Ireland used a semiautomatic screwdriver to perform the
templing process with respect to plastic sunglasses. The
operator aligned the temple and front and placed those parts on
the stand of the semiautomatic screwdriver. The operator then
pressed a footpedal attached to that screwdriver that resulted in
securing a screw, inserting it into the temple holes, and fully
tightening it. The process was repeated with respect to the
other temple.
After completing the templing process with respect to three
units in a lot, the operator performed a truing process on the
plastic sunglasses similar to the one conducted with respect to
metal sunglasses. If the mitring on those three units had been
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