Isosiyete yacu irashobora gukora ibintu bitandukanye byerekana ibyuma byuzuza ibyifuzo byabakiriya. Nkuko twese tubizi, icyuma kizunguruka gikoreshwa cyane cyane mugutanga ibikoresho bifite ububobere buke kandi bworoshye. Ubu buryo bwo kuzenguruka, muburyo bwo kurangiza ibikorwa byo gutanga, bufite umurimo wo kuvanga ibikoresho icyarimwe. Isosiyete yacu ikoresha cyane cyane uburyo bwo gukonjesha no gutara kugirango ikore ibyuma bizunguruka, bifite ibyiza byo gukora neza, kuzigama ibikoresho bibisi, ubuziranenge bwiza, ubukana bwinshi, kwihanganira kwambara nibindi nibindi. Ikoreshwa cyane mubisobanuro bitandukanye bya convoyeur no gukanda shaft nkuru.
Nigute ushobora guhimba iyi spiral? Ukurikije ibyo abakiriya basabwa, nkibikoresho byibanze, diameter ya spiral, intera ya spiral nibindi. Tuzategura ibishushanyo mbonera nibikoresho bya tekiniki, ibyuma bizunguruka nibimara gutegurwa, intambwe yingenzi iraza, aribwo guhuza-gusudira hagati yicyuma , mbere yo gusudira, tuzakora groove kumwanya uhuriweho mbere, hanyuma dutangire gusudira, murubu buryo, turashobora kwemeza noneho imbaraga zicyuma cyose kizunguruka, nkuko tubizi, ibyuma bizunguruka bitwara imashini mukoresha, niba the ingingo ihuriweho ntabwo ikomeye, izavunika byoroshye. Dukurikije ibyifuzo byabaguzi, turashobora kandi gutwikira icyuma kivanze nicyuma cyuruhande rwicyuma kizunguruka kugirango twongere imbaraga zicyuma kandi kirusheho kurwanya ruswa.
Ubu bwoko bwa spiral blade bukoreshwa cyane kwisi, dufite abaguzi buhamye, baturuka mubuhinde, Uburusiya, Mauritania, Vietnam. Turizera ko dushobora kubona ibaruwa yo kubaza. Turashobora gutanga igice cyibicuruzwa nibicuruzwa byanyuma dukurikije ibyo usabwa.