with fitting industrial doors,speed doors,auto doors, garage doors domestic shutter automatic sun canopies and fire drop doors with interlock panels and multiple user interfaces with motors of all types from little domestic tube units to 3ph motors using inverter panels safety edges photocells and ground loops I can take apart pretty much anything with a control unit and a motor pretty much blindfold I was the main service tech aswell as a fitter so wouldnt be a big leap mate.. Its just the lifting thats keeping me out and they dont get enough electrical service work to keep me on grr.