Ithagethi yensimbi isho into ehlosiwe yezinhlayiya eziphethe amandla ngesivinini esiphezulu ezithintekayo. Ukwengeza, ngokushintsha izinto ezihlosiwe ezihlukene (isb., i-aluminium, ithusi, insimbi engagqwali, i-titanium, okuqondiwe kwe-nickel, njll.), amasistimu efilimu ahlukene (isb., i-superhard, ukumelana nokuguga, i-anti-corrosi...
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