Engine: Air-cooled 2-stroke gasoline/petrol engine.
Fuel: Petrol mixed with 2-stroke engine oil, according to the manufacturer's specified ratio.
Pump: High-pressure pump that converts engine power into liquid pressure for spraying.
Tank: Chemical-resistant plastic tank, commonly available in capacities such as 20–25 litres.
Carrying system: Backpack/knapsack frame with padded shoulder straps for easier transportation.
Spray system: Flexible hose, trigger/lance, and adjustable nozzle for controlling spray pattern and flow.
Applications: Crop protection, weed control, pest management, fertilizer application, and general agricultural spraying.