To ensure the surface is perfectly illumi-
nated, position the grazing light at a 90°
angle to the surface [2].
The grazing light can illuminate various
target surfaces:
[3 A]
Floor -> 8.1 section.
[3 B]+[3 C] Wall -> 8.1 and 8.2 sections.
[3 D]
Ceiling -> 8.2 section.
[3 E]
Inclined surfaces -> 8.2 sec-
tion.
3A
3B
8
3D
3C