Answer:
The answer is the first one, the use of 1 color in a variety of tints and shades. Keep in mind that mono means 1. This will help you in the future.
Explanation:
Tiles (vulcanized) are made of refractory metal oxides and semi-metallic oxides, through the process of grinding, mixing, pressing, glazing, sintering, and forming an acid-resistant porcelain or stone, Decorative materials.
His own works in order to show off compositional prowess.
1) reflector boards
2) 8mm
3) option 3.