1. Mmiri nwere mmiri ozuzo karịa, nke ọzọ iru mmiri na-agbada
2. Gburugburu ebe obibi bụ iru mmiri ma enwere ebe maka mmiri vepo.
3. Ugbo ala adighi agafe 2000m.
4. Gburugburu ebe a na-arụ ọrụ na-enweghị ụgbụ dị ka ájá dị ka ájá dị ka ájá dị ka ájá.
5. Gburugburu ebe obibi ndị na-arụ ọrụ nwere ahụ corrosive dị ka acid na ntọala ntọala na-adịghị ike.
6
7. It is used to short-circuit or disconnect the small current circuit, and issue commands in the control circuit to control electrical units such as contactors and relays.