RISK-KUSIYANAVashandi vanogona kunzwa vakachengeteka vachiziva kuti ISO matangi midziyo inotenderwa pasirese uye inocherechedzwa pasirese chiyero chemhando chitupa.Kuchinja-chinja kunoenderana nenharaunda
Zvichienderana nerudzi rwekutakura, matehwe akasiyana anogona kushandiswa. Mudziyo une gomba pamusoro, rinenge vharafu imwe, uye imwe vharafu pazasi. Iwo akaumbwa semasirinda.