Conversance with mechanism drawing and designing tool and fixture, to be familiar with manufacture process, good communication skill, fluent English with writing and reading.
This device should be installed at the furthermost downstream end of the supply pipe or fixture where temporary spillage due to critical flow pressure conditions can be discharged harmlessly.
Jose Mourinho's only loss to United as manager of both Porto and Chelsea came in this fixture last season when a flukey first half Darren Fletcher header won the game for Alex Ferguson's side.
A few years ago, this was a highly combustible fixture which pitted sides led by Roy Keane and the equally combative Patrick Vieira, causing ructions on and off the pitch.