(1) Adopt nodular cast iron-QT500-7, mainframe wallboard kuponyera ndi njira yapadera yaukadaulo, motero imakhala ndi mphamvu yayikulu, osasinthika ndikuwonetsetsa chitetezo cha mainframe wallboard.
(2) Landirani makina olowera ku Taiwan kuti muwonetsetse kuti makinawo akugwira ntchito molondola ndikuchepetsa kulephera.