What is the purpose of the Chilean Official Standard NCh1583.Of79? I - To establish the minimum characteristics required for filters used against ...
What is the purpose of the Chilean Official Standard NCh1583.Of79?
I - To establish the minimum characteristics required for filters used against infrared radiation.
II - To establish a guide for the use of filters used against infrared radiation.
III - To establish the requirements for eye protectors used against infrared radiation.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I, II, and III are correct.
I - To establish the minimum characteristics required for filters used against infrared radiation.
II - To establish a guide for the use of filters used against infrared radiation.
III - To establish the requirements for eye protectors used against infrared radiation.
a) Only I is correct.
b) Only II is correct.
c) Only III is correct.
d) I and II are correct.
e) I, II, and III are correct.
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