Calcium carbide is a major raw material for acetylene gas.

This product is made entirely from natural raw materials.

This is our main goal.

He played a central role in the project.

Acetylene is a compound often used in organic chemistry.

Calcium is a nutrient necessary for strengthening bones.

Alkynes play an important role in organic chemistry.

Carbonization is a type of chemical reaction where organic matter changes under high temperatures and in a state of oxygen deficiency, turning into a substance with carbon as its main component.

When this wood is carbonized, its strength increases.

We heat our house with natural gas.