Zowumitsira manja zokha zitha kugwiritsidwa ntchito kwambiri m'malo ndi magawo osiyanasiyana, makamaka kuphatikiza izi:
1. Malo opezeka anthu onse: monga zipatala, masukulu, ma eyapoti, malo ogulitsira, mahotela, mafakitale ndi malo ena opezeka anthu ambiri okhala ndi anthu ambiri.
2. Makampani opanga zakudya: monga malo odyera, malo odyera zakudya zofulumira, mafakitale azakudya ndi mafakitale ena opangira zakudya.
3. Malo okhala kunyumba: monga nyumba, mahotela, ndi zina.
4. Ma laboratories: monga ma laboratories a biochemical, ma laboratories a microbiological, etc.
Mwachidule, chowumitsira pamanja ndi champhamvu,-chosavuta-kuchigwiritsa ntchito, chaukhondo komanso chotetezeka,-chida chopulumutsa komanso choteteza zachilengedwe chomwe chimatha kuteteza thanzi la anthu komanso thanzi lathu.
