Kule mihla, uninzi lweepleyiti ezisikwe ngelaser ezicekethekileyo zilayishwa ikakhulu ngokuphakanyiswa kwezandla, kunye nabantu abathathu abafunekayo ukuphakamisa iipleyiti ezinobude obuyi-3m, 1.5m ububanzi, kunye ne-3mm ubukhulu.Kwiminyaka yakutshanje, iindlela zokutyisa ezincediswa ngezandla ziye zakhuthazwa, ngokubanzi kusetyenziswa isixhobo sokuphakamisa...
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