Water hand pumps are manually operated pumps. They are used to bring water from the earth's underground to the earth's surface and are used in every country for various industrial, marine, irrigation, and household purposes. The image shown below is the typical…

Airplanes are traveling machines manufactured to transport human beings and luggage from one location to another. Airplanes travel in the air significantly faster compared to roadway vehicles, trains and ships. Airplanes are manufactured in different shapes and sizes …