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Lapho usebenzisa inani elihle kanye nekhwalithi yamashumi wokubusa, abantu bangakwazi ukulungisa ukuqina kwama-puls kagesi ngokuya ngokunethezeka kwabo. Abantu abaningi basebenzisa le mishini ukuze bathole ubuhlungu bomhlane, ubuhlungu bentamo, ngisho nekhanda.