I-advanteji : ① iimpawu ezigqwesileyo zoomatshini.Inayiloni yamandla omatshini aphezulu, ukuqina okuhle.② ukuzithambisa, ukunganyangeki kwe-abrasion.inayiloni ene-self-lubrication elungileyo, i-coefficient ye-friction incinci, kwaye ke, njengenxalenye yokudluliselwa kwayo ubomi obude.③ ukuxhathisa ubushushu okubalaseleyo.Njengeglasi ...
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