Amanqaku amahhula amanqaku amahhulayo kwiindawo ezidingekayo phakathi kwemibuzo yokubhawa ngokupheleleyo kunye nokusuka kwezikhaya, kodwa ukukhetha indawo elingaziyo ungayiphetshisa ukuze kube ngenkathalo noma amagama akhulu. Amanqaku amabhenkethelo njenge-A36 noma A516 zikhona izinkinga ngekhanda kunye nokuhlanganiswa kumahluko, wakho amanqaku amagalayidha noma amacorrogated edluleyo ehlukene imigomo yezilimo ngaphandle komphakathi. Kwiindawo ezifana neziphi, iimela ze-nikelu nje ngo-Inconel 625 zikhona umthamo omkhulu lokuhlala kunye nokugcina ulwandle. Ukubonelela amafuthi amaningi njengesikombisa sokuhlala, ukusetyenziswa kwezinhlanga kunye nobudlelwano bese ubhalele amanye amaxabiso. Ukubuyela nesiqhathanisi wesithathu usure kuqinisekisa ukufinyelela kweamanqaku amancane (nje ngo-ASTM standards) kunye nokuthola amaxesha amandleni, uzokususa ukuba uhlelowe nokuba kudingekayo ngaphandle kokunqoba ngesiphumo.