Ukhathazekile ukuthi ikhwalithi yokusika nge-laser emikhiqizweni eqediwe ayikwazi ukusetshenziswa ngenxa yeziphambeko ezahlukahlukene epayipini ngokwalo, njengokuguqulwa, ukugoba, njll.? Enkambisweni yokuthengisa imishini yokusika nge-laser pipe, amanye amakhasimende akhathazekile kakhulu ngale nkinga, ngoba uma uthenga iqoqo lamapayipi, kuzohlala kunekhwalithi engalingani, futhi awukwazi ukulahla lapho la mapayipi elahliwe, ukuthi ungawalahla kanjani...
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