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Technical specifications:
The pump head is 30 meters.
Pump capacity 1000 liters per minute.
Ejector top 80mm.
Intake hoses 80mm.
0:00 Description of the ejector operation
1:36 Review of past work and start pumping
2:08 Underwater photography
3:33 Pit
4:48 Getting rid of the grass
5:53 We pump out the mud, silt from the bottom.
6:26 Submarine sandstorm
7:25 Trumpet