Molemo : ① thepa e ntle ea mochini.Matla a nylon a phahameng a mochini, boima bo botle.② ho itšehla thajana, ho hanyetsa abrasion.nylon e nang le boits'oaro bo botle, coefficient ea khohlano e nyane, ka hona, e le karolo ea phetisetso ea nako e telele ea bophelo.③ ho hanyetsa mocheso o babatsehang.Joalo ka khalase ...
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