① Timapereka mbale zofanana za OEM zosinthika;
② Timapanga mbale yosunthika yamphamvu kwambiri kuti ipereke mphamvu yophwanyira kumbuyo kwa thupi;
③ Timakulitsa moyo wautumiki wa mbale zosinthira;
④ Timapereka mitengo yopikisana;
⑤ Timapereka ntchito zambiri zamaluso ndi malingaliro.