Imikoreshereze y'ibicuruzwa:
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2. Ibyuma rusange, ibyuma, umuyoboro wicyuma, isahani yamabara, amabati, ikibaho cya PC, nibindi byuma nibikoresho bitari ibyuma byahujwe no gushiraho.
3. Mu bwubatsi bwubwubatsi, gutunganya no gutunganya ibyuma byubatswe byamabara yamabati kumyuma yicyuma, ibyuma byumuyoboro, na I-beam, umubiri wimodoka, agasanduku ka kontineri, inganda zubaka ubwato, ibikoresho bya firigo nibindi bikorwa byo guterana.