Isingeniso: Uma kuziwa kumapayipi, ukushisa, nokupholisa amapayipi, amapayipi ethusi abelokhu ethandwa kakhulu ngenxa ye-conductivity yawo enhle kakhulu ye-thermal kanye nogesi, ukumelana nokugqwala, amandla, i-ductility, kanye nobubanzi obuhlukahlukene bokumelana nokushisa. Kusukela eminyakeni eyi-10,000 edlule, abantu ...
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