The shelf life of synthetic motor oil is an important issue that needs to be deliberated accordingly. The motor oils retain their chemical properties if the oil is properly stored. Efficient oil storage protects the oil, and consequently increases its shelf life.
Construction and demolition (C&D) waste is one of the main sources of waste that occupies huge space in landfills and that can be recycled economically, without compromising the essential material properties. With the limited supply of natural materials, concrete recycling has gained much importance