Correct option is A
✅ (a) Hand compression sprayer: • Nozzle is a critical component of sprayers, including hand compression sprayers, used to control droplet size and spray pattern. • Ensures uniform application of insecticides, fungicides, and herbicides.
❌ (b) Cyno gas pump: • Not related to pesticide application equipment.
❌ (c) Rotary duster: • Used for dust formulations; doesn't use a liquid nozzle system.