Tsarin bakin karfe shinge yawanci an rarraba shi zuwa manyan sanduna da madaidaiciya, kuma ana kiran manyan sanduna masu kulawa sau da yawa (misali, matakala shinge armrests ne abin da muke kira masu kulawa). Ana iya kiran madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaici.

Mai kula da bango kauri bisa ga kasar ka'idodin ne 1.2mm, bakin karfe shinge sau da yawa gani a rayuwa, kamar matakala shinge, baranda shinge, gada shinge da sauransu. Bakin karfe shinge yana da yawa fa'idodi, saboda haka ya sami wani babban kewayon shahararren. A rayuwa sau da yawa ganin bakin karfe shinge da matakala shinge, baranda shinge ne bakin karfe ma mafi yawa; Bridge shinge mafi yawa har yanzu siminti ko marmara, bakin karfe gada shinge har yanzu da kadan.