Bitumen is a black, highly viscous substance derived from crude oil, utilized primarily as ...

Oil and lubricant refer to substances, typically derived from petroleum, designed to reduce friction...

Polymers are large molecules composed of repeating structural units, known as monomers...

Fertilizer is a substance, often synthetic or organic, applied to soil or plants to provide essential nutrients.

Wax is a class of organic compounds that are typically solid at room temperature, with a variety of applications

a distinct compound or substance, especially one which has been artificially prepared or purified.