Roller yathu ya SR18M-2 idagwiritsidwa ntchito pomanga pamwamba pa projekiti yomanga misewu mumzinda umodzi wa Cuba.Ndi kugwedezeka kochepa komanso phokoso komanso kuphatikizika kwakukulu, makinawa adamaliza ntchito yomanga misewu mwangwiro.Pokhala ndi ntchito yabwino kwambiri, yokhazikika komanso yodalirika, chitonthozo chogwira ntchito mwamphamvu, ndikukonzanso ndi kukonza bwino, makinawa ndi oyenera kuphatikizira dothi lopanda dothi, monga miyala, miyala ndi mchenga, nthaka yamchenga, ndi kudzaza miyala, mu roadbed base layer, sub-base layer, ndi ma projekiti otayirapo.
