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Meirna
25.09.2019 •
Mathematics
How many triangles are inside a heptagon?
a. 2
b. 3
c. 4
d. 5
Solved
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Ответ:
Ответ:
The standard refers to a specific eye protection OSHA standard, 1910.133, which contains charts listing the minimal shade numbers needed for protecting welders' vision during various types of welding, and also says welders' lenses must comply with the ANSI/ISEA Z87.
Explanation:
idk srry