A carcinogen is any substance that can directly cause cancer in living tissue. R...
Centuries ago, our world functioned solely on manual labor. Our tools were exten...
A common household and industrial metal, brass has been manufactured for thousan...
Bronze is an alloy mix blend of copper and tin. The amounts that are blended var...
Plastic is a man-made synthetic or semi-synthetic moldable material, derived fro...
A common household and industrial metal, aluminium is a highly versatile and cos...
Acrylic is a common and versatile man-made material with a variety of industrial...