Aqueduct door dismissal of fishpond ( monik)

b. Aqueduct door dismissal of fishpond ( monik) . [At] aqueduct door

dismissal of pool ( monik ), used [by] pipe / aqueduct closed to conduct pool water. Diameter partition off used [cover/conclusion] shall be adapted for [by] diameter of pipe. Door ( monik) of[is including door type closed. That way, door tabletop [do] not annoyed operation moment so that can pass by vehicle. door of Monik efficient for amount of water required which small enough so that [is] often used as [by] door dismissal of water [at] intensive fishpond.
Source S. Rachmatun Suyanto and of Ahmad Mujiman, 1999.