(a) Identify specimens A, B and C
(b) Give one function of each of Specimen A, B and C
(c) State two ways of maintaining each of specimen A and B
(d) Name three other farm implements that perform the same function as specimen B
(e) Mention two precautions to be observed when using specimen B
(a) A - Nut and bolt;
B - Knapsack sprayer;
C - Identification tag.
(b) A is used in tightening, fastening, fixing or holding joints together.
B is used for spraying or applying fungicides, insecticides.
-is used for spraying liquid fertilizers.
-is used for spraying herbicides.
C is used for identification of animals.
(c) Ways of maintaining specimen A:
-Grease to avoid rusting.
-Straighten bent bolt or nut.
-Rethreading the worn-out threads.
-Store always in cool, dry place.
Ways of maintaining specimen B
-Wash and clean the tank, the filters and nozzles with water after use.
-Check the sprayer for leakage and any leakage should be blocked.
-Replace damage or worn-out parts, e.g., filters and nozzles.
-Remove the nozzles, clean and store seperately.
-Store the sprayer under cover.
-Free the nozzles of all blockages or clogs.
-Turn the container upside down after washing to drain properly.
(d) -Motorized sprayer
-Boom sprayer
-Electrotyne sprayer
-Hand sprayer
(e) -Wear protective clothing and a nose mask.
-Avoid eating. drinking or smoking.
-Wash/bath well after spraying.
-Do not blow a blocked nozzle with the mouth.
-Ensure that spraying is not against the wind.
-Avoid walking on freshly sprayed plots.
-Follow carefully instructions on the use of chemical to be sprayed
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