Lisebelisoa tsa polasetiki li ka boela tsa bitsoa li-steel bar centerers. Hangata li sebelisoa ka mekoallo ea tšepe, joalo ka liankora tse sekoti, le linate, li-pallets, li-drill bits le likarolo tse ling ho fihlela litholoana tse ntle tsa grouting. Ka lebaka la litšobotsi tsa thepa ea eona, sehlahisoa sena ha se na kutu, ha se na mocheso o phahameng, se bobebe, se theko e tlaase, 'me se bonolo ho se kenya, se boloka nako e ngata le litšenyehelo tsa basebetsi.
Lisebelisoa tse atisang ho sebelisoa tsa centering bakeng sa lithupa tsa ankora li entsoe ka polasetiki 'me boholo ba tsona li tšoeu ka mebala. E ka sebelisoa ka li-rebar tse pota-potiloeng hantle, lithupa tsa ankora, likhoele tsa tšepe, rebar le lihlahisoa tse ling. E ka boela ea sebelisoa ho boenjineri ba polante ea matla a nyutlelie, ho baballa metsi le matla a fehloang ka metsi, kaho ea matlo le mafapha a mang.