Square chubhu imhando yehollow square chikamu chiedza chakatetepa-yakavezwa simbi chubhu, inozivikanwawo sesimbi inotonhora-yakaumbwa chimiro.Yakagadzirwa neQ235 inopisa-yakatenderedzwa kana kutonhora-yakatenderedzwa tambo kana coil sesimbi yepasi, iyo inoumbwa nekutonhora kukotama uye yobva yaiswa weld nepamusoro frequency.Saizi yekona uye kutwasanuka kwekupisa-yakatenderedzwa yakawedzera gobvu madziro square chubhu kusvika kana kutopfuura mwero wekupokana welding inotonhora yakagadzirwa square chubhu kunze kwekukora kwemadziro.