Tag Archives: Fixed

Waterjetting 27d: Drilling at a fixed diameter


In the last post I described how we initially came up with a simple design for drilling through material, using an axially aligned jet and a larger jet offset to one side at an optimal angle of around 20 degrees. One of the problems with the use of this design is that the outer jet […]

Egypt: Electricity Crisis Cannot Be Fixed Overnight – Sisi

Cairo — President Abdel Fattah al-Sisi addressed the Thursday electricity blackout in a televised speech aired on state television on Saturday, saying that the electricity crisis cannot be fixed overnight. Thursday’s power outage resulted from a technical malfunction causing the loss of 45 per cent of the national electricity grid’s capacity. This has led to […]

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