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Hi, On one of our uPVC windows, the handle has been pulled out by years of kids opening and closing the window and the handle being loose. Unfortunately it’s not just a matter of tightening the bolts, because the bolt holes in the metal bracket inside the window are stripped. The screws won’t...

Hi, I have various DC-powered devices (guitar effects pedals and related gear). They are powered with 9V, 12V or 18V centre-negative DC power supplies. I also have AC-powered amplifiers that I have built myself. Yesterday, for the first time I can recall, I felt a mild shock/tingle when...