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Another useful way of doing things is make a comprehensive checklist. 1) do this, 2) check this, 3) do this... etc etc...... Germans have 40 point checklist just to install wheel/tires for their bmw's.... This way, the user dont have to think what to do next when installing/servicing these expensive devices. They are all laid out for him/her.
Make it stupid/fool proof checklist...
2 cents here.
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