Chemical tank: Holds the liquid pesticide or other spraying solution.
Engine: Usually a petrol-powered two-stroke engine that provides the power needed for spraying.
Blower fan: Produces a high-speed stream of air.
Spray nozzle: Breaks the liquid into fine droplets and directs the spray.
Fuel tank: Stores fuel for operating the engine.
Carrying frame and straps: Support the machine on the operator’s back.
Control handle and trigger: Regulate the spray and direct its application.
Liquid delivery system: Carries the chemical solution from the tank to the nozzle.