Pipe can be defined as a hollow tube-shaped structure which is used for transferring and movement of flowing substances, these structures are installed in various industrial structures and commercial applications.
A refrigerant is a substance or mixture which is used in cooling mechanism like air conditioner or refrigerator. They act as a heat carrier which changes gas to liquid and back to gas in refrigeration cycle.
Ebola virus infection is a serious fatal condition which is caused by the four different species of Ebola virus in humans and non-human primates. It causes hemorrhagic fever which leads to internal and external bleeding and affects multiple organs.