Amazi yo mu mijyi n’amabuye y'agaciro gutanga no kuvoma, ubwubatsi bwa komini, gutunganya imyanda
Kuzenguruka no kuzamura amazi mu byuma, metallurgie, amashanyarazi, kubaka ubwato, inganda zamazi, nibindi.
Imishinga yo kubungabunga amazi no kuyobora imigezi.
Kuvomera imirima, ubworozi bw'amafi, imirima y'umunyu, nibindi.