Ukukhetha amabhola ensimbi enembile kuyinto ebalulekile ezimbonini ezihlukahlukene ezihlanganisa ezezimoto, i-aerospace kanye nezokukhiqiza.Njengezingxenye eziyinhloko zama-bearings, ama-valve nezinye izinhlelo zemishini, ikhwalithi nokusebenza kwamabhola ensimbi okunemba kuthinta ngqo i-eff...
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