1. Mutu wapamwamba: Mutu wa cholumikizira ndi wapamwamba, kotero kuti ukhale wokhazikika komanso wodalirika pamene ukugwirizana kwambiri.
2. Mphete: Maonekedwe a cholumikizira ndi mphete, zomwe zimakhala zosavuta kugwirizanitsa ndi zolumikizira mphete zina komanso zosavuta kuziyika ndikuzichotsa.
3. Kudzitsekera: Cholumikizira ndichodzitsekera, chofanana ndi loko yozungulira.Mukalowetsa cholumikizira, mutha kuzungulira kuti mutseke, chomwe chili chosavuta komanso chokhazikika.
1. Zida zopangira mafakitale: monga maloboti, mizere yopangira zokha, ndi zina.
2. Zida zamlengalenga: monga ndege, ma satelayiti ndi zipangizo zina zapamwamba.
3. Zida zamagetsi zamagalimoto: monga makina osangalatsa a pa board, GPS navigation system, etc.
4. Zida zoyankhulirana: monga zida zoyambira, zida zoyankhulirana za fiber optical, etc.