Q.

The illumination level in the houses is usually in the range

A. 400 to 650 lumens/m2
B. 2500 to 3000 lumens/m2
C. 1200 to 1600 lumens/m2
D. 100 to 1400 lumens/m2
E. 10 to 20 lumens/m2
Answer» D. 100 to 1400 lumens/m2
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