Maindasitiri ekuregerera kunoitwa kungave nezvimanikidzo kana nehununuro yakavezwa nemhepo yakamanikidzwa, magetsi, hydraguls kana steam. Iyi nyundo inogona kunge iine zviyero zvinodzokorora muzviuru zvemapaundi. Zvishoma masimba masimba, 500 lb (230 kg) kana kushoma kudzokorora uremu, uye hydraulic michina inozivikanwa mune yehunyanzvi smithies zvakare. Mamwe ma Steam nyundo anoramba ari mukushandisa, asi vakave vasingazive nekuwanika kweimwe, zvakanyanya nyore, masimba emasimba.