Soldering eyeglass Frames
JoeSpareBedroom writes:
How is an offshore supplier supposed to measure the distance between
pupils, and determine frame size?
He doesn't. You do.
It takes a very costly, specialized instrument called a "ruler". Opticians
use a disguised version to make you think you need them to make this
measurement, when in fact it is no more complicated than a tailor measuring
you for pants.
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