Saray soleid so balbula et saray elektron-mekanikal ya uusaren pian nakontrol so iyaagus na saray likido, a kaslakan et diad saray aplikasyon a singa saray sisteman pluido, irigasyon, pampetang, tan pamalamig. Saray terminon "4V" tan "3V" so mabetbet ya uusaren pian deskribien iray saksakey a balbula base ed bilang na posisyon tan say bilang na saray paraan na balbula a makapankimey. Ibiig tayo iray pandumaan:
1. **Bilang na Posisyon (3V tan 4V):***
- **33 Maligen a Balbo:** Sayan balbula so walaan na taloran posisyon - kaslakan, saraya so lukas, sarado, tan tambutso.
- **44Bave a Balbulo:** Sayan balbula et walaan na apatiran posisyon, a kaslakan et kaibad satan so duaran lukas a posisyon, sakey a saraan a posisyon, tan sakey a tambutso.
2. **BUnong na Dalan (3V tan 4V):***
- **33 Malet ya Balbo:** Sayan balbula et mabetbet ya 3-dalan a balbula. Walaan itan na taloran pantalan: sakey a panlapuan, panlapuan, tan sakey a daan a pantalan. Say balbula so makapangipaliis ed agos ed baetan na loob tan paway, odino mangamper ed agos, a mamawala na pluido a naupot.
- **44 Mabulbulog a Balbo:** Sayan balbula et kabkabat bilang 4-dalan a balbula. Walaan itan na apatiran pantalan: duaran inlet, sakey a paway, tan sakey a tambutso. Nayarin nakontrol na balbula so agos ed baetan na saray inlet tan paway, odino mangamper ed agos, ya abuloyan so pluido a naupot.
