knapsack sprayer मीनिंग इन हिंदी

उदाहरण वाक्य

1. Designed specially for tobacco growers in Brazil, these granules come in user-friendly, single-portion sachets, each with just enough content to fill a knapsack sprayer.
2. Roughly 1, 200 acres have been treated with pesticides, but cash-strapped local authorities have only 11 specialized chemical-dispersing vehicles and a few sets of knapsack sprayers to fight the swarm.
3. Officers using knapsack sprayers were deployed to deal with smaller infestations, while large areas of cannabis were sprayed from small crop dusting aircraft . By 1971, only a small number of plants were found by the regular summer patrols of field officers, that could easily be pulled by hand.