A professional who operates truck-mounted hydro-sprayer to cover areas, such as highway median strip, hillsides and fields with mixture of grass seed, fertilizer and mulch according to specifications. Respnsibilities include:

• Pumps water and dumps seed, fertilizer, and wood fiber into hydro-sprayer tank according to formula.
• Connects hoses and nozzles, selected according to terrain and distribution pattern requirements, using pressure couplings and threaded fittings.
• Starts motors and engages machinery, such as hydro-sprayer agitator and pump.
• Lifts, pushes, and swings nozzle, hose, and tube to direct spray over designated area.
• Covers area to specified depth, applying knowledge of weather conditions, such as humidity and wind velocity; machinery capacities, such as droplet size and elevation-to-distance ratio; and obstructions, such as trees and buildings.
• Gives driving instructions to truck driver, using hand and horn signals, to ensure complete coverage of designated area.
• Cleans and services machinery to ensure operating efficiency, using water, gasoline, lubricants, and handtools.
• Occasionally plants grass with seed spreader and operates straw blower to cover seeded area with asphalt and straw mixture.