The engine had to be periodically oiled during riding, with hand pump. A rope and washer pump is a type of progressive cavity hand pump. In a closed tank, paraffin was pressurised with a hand pump. Both hand pump and electric compressor models have been marketed. The party's official electoral symbol is a hand pump. A hand pump transferred water from this tank to the boiler. They are powered either by a hand pump or a motorbike that pulls it. A small two-wheeled hose reel and hand pump was the only village fire protection. He uses a portable hand pump to refuel from these tanks as necessary. If this failed, a hand pump in the cockpit could also power these systems. A deep well hand pump theoretically has no limit to which it can extract water. The Bicycle pump is a vertical hand pump that is used to inflate bicycle tires. Application- Hand pump, pendulum pump or Bull engine, etc.