Joalo ka likhopo tsa mokotla oa mokotla, foreimi ea ho tlosa lerōle e bonolo ho e kenya le ho e sireletsa, kahoo hangata batho ba iphapanyetsa eona ha ba sebelisa le ho hlahloba filtara ea mokotla.Empa boleng ba moralo oa ho tlosa lerōle bo ama ka ho toba bophelo ba tšebeletso ea mokotla oa mokotla.Ka hona, ha u hlahloba moralo oa ho tlosa lerōle, ho na le lintlha tse 'maloa tsa bohlokoa tseo u lokelang ho li ela hloko: hore na moralo oa ho tlosa lerōle o entsoe ka ho feletseng ka ho bōptjoa ha lerōle le le leng, le boreleli le le thata, le se nang li-burrs, e le hore mokotla oa filthara o se ke oa senyeha, ho cheselletsa ho etsoa. e ts'oanang, 'me sebopeho sea utloahala.E thata ebile e tšoarella.The trapezoidal skeleton e nka sebopeho se bataletseng.Likhopo tsa longitudinal le li-anti-support skeleton tsa trapezoidal skeleton li arotsoe ka mokhoa o ts'oanang, 'me li na le matla a lekaneng ho qoba tšenyo le ho senyeha.E le ho netefatsa matla a terata ea tšepe le ho ntlafatsa boleng ba ponahalo, re khetha φ6.5 yuan Tšepe e huloa (e huleloa ho φ3mm), 'me joale ha e kopantsoe holim'a thaere e cheselitsoeng ka butt, e tla ba fatše ho kopana. ditlhoko tsa bokgoni.Foreimi ea trapezoidal e entsoe ka ho fafatsa ka silicon kapa ho galvanizing, ho penta le litsebo tse ling.Ho roala ho matla ebile ha ho bola, ho qoba mafome a lesapo la cage le ho khomarela mokotla oa sefe ka mor'a hore mokelikeli oa lerōle a sebetsoe ka nako e itseng.