Amsu na kafa na gaba daya na zane-zane su ba da kariya ga yadda ake amfani da su, kariya ga fahimtar hanyoyin sauyi, da kariya ga yadda ake ci gaban kafin samun shi don kayayyadi na kasa da kayayyadi na tattalin arziki. A nufin amfani da kafa na sittili na tsakiya wanda aka kira su “rigid structural steel moment frames” wanda suka hada daga kafa na H-section wanda aka rarraba (tapered) da kafa na rafters, waɗannan kafa suna karye kariya na sittili ta hagu kuma suna ba da kariya mai kyau ga yadda ake ci gaban kafin samun shi da kariya mai kyau ga yadda ake ci gaban kafin samun shi (clear spans) ta hagu zuwa 60 mita. Suna aikata a cikin abin da ke aiki da kafa (automated facility) ta hagu wanda aka amfani da sittili na Q355B, duk wani kafa ya kashe da kafa (pre-punched), ya kara da kafa (precision-welded), da ya kawo da kafa (surface-treated) don yadda ake ci gaban kafin samun shi a wurin da ke aiki (site erection) ta hagu wanda aka kira su “bolt-together”. Wadannan kafa na gaba daya na zane-zane suna mafi kyau don kayayyadi na kafa (logistics centers), kayayyadi na kafa na kudin gida (agricultural storage), da kayayyadi na kafa na tattalin arziki (light manufacturing), kuma suna ba da kariya ga yadda ake canza duk bayanin kafa (floor plan customization). Suna da muhimmin kariya ga yadda ake kara kafa (rigorous structural calculations) da kariya ga yadda ake amfani da kafa (international building code compliance), kuma muna ba da kafa na kafa (turn-key structural steel solutions) wanda aka kira su “optimized” don yadda ake ci gaban kafin samun shi (maximum cost savings).