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.
Answer:
How long have Pat and Chris been together?
Explanation:
A key component to a relationship is communication, If Chris has hesitation there has to be a reason, They should communicate why then come to a conclusion that both are comfortable with