● 1. Kupanga kapangidwe kokhala ndi mawonekedwe okongola, magawo ochepera, ndipo zolumikizira zimachepetsa mwayi woti unit unit unit ndi kutayikira; Kutulutsa mwachindunji kwa mpweya wowuma, tsimikizani bwino mpweya wogwiritsa ntchito; Sungani ndalama zowonjezera makasitomala ndikugwiritsa ntchito malo.
 ● 2.Ngati yatsopano kapangidwe kake, katatu kabwino, wokonzeka kukhazikitsa ndi kugwira ntchito.
 ● Maluwa oyeserera a unit, mtengo wogwedezeka wa unit ndi wotsika kwambiri kuposa muyezo wapadziko lonse lapansi.
 ● 4. Kupanga mapaipi ophatikizidwa ndi chiwerengero cha mapaipi ndi chiwerengero cha mapaipi, potero kuchepetsa kuchuluka kwapa mapaipi ndi zotayika zamkati zomwe zimayambitsidwa ndi mapaipi.
 ● 5. Zowumitsa bwino kwambiri, comptar compresser compressiji ya firiji, ndi njira yozizira kwambiri yozizira kuti iwonetsere ntchito yokhazikika yotentha kwambiri.