Motorized knapsack sprayer blade rotation at about ……. To rev/min. a. 200 to 300. c. 100 to 120 b. 120 to 400. d. 150 to 300

Motorized knapsack sprayer blade rotation at about ……. To rev/min. a. 200 to 300. c. 100 to 120 b. 120 to 400. d. 150 to 300
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100 to 120
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