In 1972 , it acquired 150 more powerful German pumps driven by small gas turbines .
The Egyptian military purchased 300 British - made pumps , five of which could blast 1,500 cubic meters of sand in three hours .
In 1972 , Egyptian acquired 150 more powerful German pumps driven by small gas turbines .
The Egyptian military purchased 300 British - made pumps , five of which could blast 1,500 cubic meters of sand in three hours .