If at first you don't succeed - read the instructions.
It is impossible to make anything foolproof because nature will invent a better fool.
Knowledge is knowing a tomato is a fruit, wisdom is not putting it in a fruit salad.
He joined the British army when he was very young. After training in Bassingbourn barracks (near Royston, Hertfordshire) he was posted to the 3rd Battalion the Queens regiment who were stationed at Catterick Garrison (North Yorkshire). There he was trained in advanced weapons and tactics used in urban warfare. After a tour of Belfast his unit was moved down to Connaught Barracks (near Dover Castle, Kent) where they did a tour of Belize (Central America). In the early 80s their unit moved to St Barbara Barracks, Fallingbostal (Germany).
A few months later he moved back to Borden (Hants, UK) to the SEME (School of Electrical Mechanical Engineering) where he was trained in electronics, semi-conducters, single & three phase power systems, batteries, motors, generators. He passed the course with flying colours and changed his cap-badge to REME (Royal Electrical & Mechanical Engineers). He was posted back to Fallingbostal but this time to the Royal hussars (Armoured). After about a year he was detached to Port Stanley (Falklands), then to Bielefeld (Germany) then to 21 Engineer Regiment (Nienberg) and finally back to Bielefeld where he saw active service in the 1st Gulf War. He left the army soon afterwards and started work at a software company in Kent.