Akwai hanyoyi da yawa na rashin daidaituwa na girman girman ƙarfe, mafi yawan su shine ma'anar "ta ido". Ba tare da auna da dacewa ba zai yiwu ba.
Ya kamata a faɗi cewa ana iya auna bayanai game da girman girman bel ɗin ta lambar da ke tsaye a gaban wasika, kuma harafin yana nufin ma'anonin ƙananan.
Ga ƙananan Turai masu yawa na tufafi:
65,70,75 - 85 kuma a gaba ya sa darajar girth karkashin ƙirjin (bambanci na 5 cm shine bambancin daya girma)
A, B, C, D, E, F, G, H, J, K da sauransu.
Ƙarfin ƙoƙarin ƙarfin ƙarfin ya zama daidai da girman ƙyallen. Wato, a cikin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfe ne 80D fiye da a cikin bras 75D, koda duk da harafin D na darajar girman kofin. Ya kamata a sani cewa yayin da aka yi amfani da tagulla na 80D zai kasance kadan a cikin ƙasa, amma nauyin kwalliyar za ta riƙe kirji, kana buƙatar ƙarami zuwa 75, amma a lokaci guda girman ƙwanƙin wani girman girman shine 75E.
Matakan Girth karkashin ƙirjin
Ya wajaba don dan kadan ya ɗaga duka ƙirjinka tare da hannuwanku kuma ku nemi taimako don girke centimeter kawai a ƙarƙashin kirji, kuma an ba da adadin centimeter a layi daya a kasa, ba tare da ɓarna ba. Ya kamata a auna girman gindin karkashin kirji, saboda kana buƙatar cimma darajar mafi ƙasƙanci. Domin ba sare ba, wato belin tagulla shine babban ɓangaren tallafin ƙirjin kuma idan kun yi amfani da tagulla tare da gwanin girke fiye da yadda kuke buƙatar, to, goyon baya yana da muhimmanci sosai. Sai bayanan da aka karɓa. Idan farashin da aka samo tsakanin 60-65-70-75-80 kuma kara, yana da darajar tada shi zuwa mafi yawan ma'auni mafi kusa. Alal misali, idan 72 cm, to zagaye zuwa 70, kuma idan 73, to 70 zuwa 75. Idan ka zaba 75 kuma bayan da tagulla ta kusa, alal misali, 75D yana jin rauni a cikin bel, to, ya kamata ka dauki tagulla tare da girman 70E. Ya kamata a tuna da cewa yayin da rage girman belin, kana buƙatar ɗaukar girman ƙaramin, saboda 75D = 70E (an ambaci wannan a baya). Idan ka fara zaba nauyin 70E kuma ka gano cewa jaririn yana sintiri a cikin belin, to yana da darajar ƙoƙarin kokarin 75D (amma kawai lokacin da kofuna 70A suka dace da nono). Za ka iya zakuɗa girth karkashin kirji azaman "X".
Girman nauyin kirji
Dole ne a yi amfani da tagulla, mai dadi kamar yadda zai yiwu kuma wanda yake riƙe da nono sosai. Ka tambayi mai taimakawa don hašawa centimeter kewaye da kirji, iyakar iyakance kuma ba ta da matukar damuwa, kuma an umarci centimeter don ci gaba da layi daya a kasa, ba tare da ɓarna ba. Alal misali, sakamakon shi ne 92 cm.Ya kamata ka cire 10 cm daga bayanai ka kuma lakafta shi "Y". Ya juya 102 .5-10 = 92 .5sm = Y
Kira
Don ƙayyade yawan ƙarfin tagulla, ana bada shawara don cire "X" daga "Y" da darajar da za'a iya raba shi da 2. 5, wato (YX) / 2 .5
A misali (92 .5-75) / 2 .5 = 7. Gaba ita ce wasika na bakwai na haruffan Latin. A, B, C, D, E, F, G
Ya nuna cewa dacewa da tagulla ya buƙatar farawa tare da 75G (bisa ga sikelin Turai, tun lokacin ana amfani dashi a ƙasashen CIS).
Hanyar ƙayyade yawan ƙarfin tagulla, wadda aka bayyana a sama, yana ba da kawai farawa. Ba ku buƙatar ku dogara da shi don 100% ba, domin wannan tsari bazai tuna da tsarin jarrabawar ba, nauyin ƙirjin musamman, cikarsa da wasu sigogi. Koda ma wannan tsari zai iya taimakawa wajen nuna ainihin nauyin samfurin wani kayan fasaha na musamman, wanda zai iya zama masanan basu ji dadi ba idan ya gane cewa wannan tsari ya zama mara amfani a ƙayyadadden ƙarfin wasu nau'o'in ko da iri ɗaya. Sabili da haka, an bada shawara a sauraren shawara na masu ba da shawara a cikin shaguna, musamman ma idan aka gano girman ƙarfin.
Abin da kuke buƙatar sanin lokacin da aka ƙayyade girman
Harsunan goyon bayan hannu kuma gyara nono a kasa, mafi girma a wannan gefen, da karfi da nono zai taimaka.
Sassan gefe na tagulla, da baya na tagulla ya kamata ya kasance mai faɗi. Rods ba da goyon bayan, slim silhouette. Tsarin waje yana bada tallafi.