04 I-1/20 yobukhulu be-helipad
Singumzi-mveliso wobuchwephesha wokucubungula i-aluminium, sinikezela ngezisombululo ze-aluminium ngaxeshanye: Amandla e-aluminium ecocekileyo aphantsi, kodwa ngokongeza izinto zokudibanisa, amandla ayo kunye nokuqina kwayo kunokuphuculwa kakhulu, kunye nee-alloys ezahlukeneyo ze-aluminium, ezifana...
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