1. Sewage level switch.
2. High voltage mitsetse inokanganiswa.
3. Laser tube yakaputsika kana kupiswa.
4. Simba remagetsi relaser rakaputsika.
5. Kutenderera kwemvura “kusanganisira pombi dzemvura dzakavharika uye pombi dzemvura dzisiri kushanda”
6. Mutsara wekudzivirira mvura wakatyoka kana kuonana kwakashata.
7. Iko hakuna 220V inopinza kune laser magetsi magetsi.
8. Hapana chiratidzo kubva kumagetsi emagetsi emagetsi "Chiratidzo chetambo chakaputsika uye kubatana kwakashata, relay inodzora kubuda kwechiedza yakaputsika, bhodhi rakaputsika uye kubatana kwakaipa."
9. Yechipiri inline shaft yakanamatira.