Explanation

(a) Other equipment that can perform similar functions as specimen F are:

• Motorized sprayer.
• Electrodyn sprayer.
• Boom sprayer.
• Hand sprayer.
• Uitra low volume sprayer.
• Tractor-mounted / helicopter / aeroplane - mounted sprayer.

(b) Safety precautions to be taken when using specimen F:

• Ensure the equipment is in good condition before starting.
• Read and follow instructions on the chemical container before operations begin.
• Wear protective clothing when spraying.
• Avoid smoking, eating or drinking while spraying.
• Do not blow blocked nozzles with mouth.
• Do not spray against the wind.
• Avoid walking/spraying into areas freshly sprayed.
• Do not spray in hot afternoons.
• Wash body thoroughly after use.
• Avoid spillage of chemícal in wrong place

(c) How specimen F is used:

• Pour a measured quantity of water into tank.
• Add correct amount of chemical to water in tank and miss well.
• cover the tank properly with the lid.
• Pump to raise pressure within tank.
• Mount sprayer on the back.
• Spray while walking away from sprayed area.
• Direct nozzle to the area to be sprayed.
• Pressure in tank is maintained by occasional pumping.

(d) Faults that may arise while using specimen F are:

• Clogging of nozzles.
• Pressure could leak from pressure chamber.
• Leakage of chemical from hose or tank.
• Hose could rupture.
• Nozzle could get dismantled/disorganize.
• Pump lever may be broken or faulty

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