Term
| TRUE OR FALSE: In the boxing system, the effective diameter is the diagonal of the box |
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Definition
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Term
| TRUE OR FALSE: The frame difference for a frame with a circular lens shape is always zero |
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Definition
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Term
A = 51
B = 47
C = 49.5
DBL = 19
Seg Drop (Distance below the horizontal midline) = 4mm
What is the seg height |
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Definition
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Term
| The larger the frame difference, the __________ the lens shape |
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Definition
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Term
If a frame's dimensions are
A = 50
C = 48
with a frame difference of 8, what is B |
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Definition
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Term
| A frame is marked 52[]18. The lens shape is round. What is the effective diameter of the lens |
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Definition
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Term
| What is the geometric center distance of a frame marked 52[]17 |
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Definition
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Term
| What gold classification(s) has/have no minimum requirement as to the total amount of gold used |
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Definition
D, E
gold plated
gold flash |
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Term
| The color of a frame with gold in it depends on: |
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Definition
| C: the kind of metal used to make the alloy |
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Term
| An article made out of a metal other than gold and then covered with a gold alloy may be: |
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Definition
B, E
gold filled
gold flash |
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Term
| What is the name used for an article that has no metal in it other than chemically pure gold |
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Definition
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Term
| A frame marked 1/10 12k GF |
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Definition
| C: has a 10k solid gold bridge |
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Term
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Definition
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Term
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Definition
| B: vertical boxing dimension |
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Term
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Definition
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Term
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Definition
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Term
| Safety frames must be marked with |
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Definition
| E: The manufacturer's name and "Z87" or "Z87-2" on both of the temples and the frame front |
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