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Amanqaku athile olwazi malunga neengcango zokukhokelela ekukhuseleni ukusasazeka kwemitha
Ucango olukhokelela kwi-radiation-proof lead, ngegama linokuqondwa, lo ngumnyango onokuthintelwa kwi-radiation, umnyango we-radiation-proof wahlulwe ngocango lwencwadana kunye nomnyango wombane, umnyango wombane uxhotyiswe ngemoto, ulawulo olude, isilawuli kunye nezinye ii-ac...Funda ngokugqithisileyo