The travelling valve of the pump is designed to be closed and opened forcibly, and the pump plunger adopts equal-diameter bare pipe with a floating structure to prevent gas lock and sand sticking.

In fact, you must make a conscious effort to create a viable contingency plan instead of sticking your head in the sand or giving it only lip service.

Individuals, states and our nation must adapt to these new realities, stop sticking our heads in the sand, and work harder and smarter to create our new future.