Apparatus for the remote control of industrial operations; apparatus for use in remote control; electric remote control apparatus; electrical remote control apparatus; electronic apparatus for remote control; electronic remote control units; infrared remote control apparatus; remote control apparatus; remote control devices (electric); remote control devices (electronic); remote control devices (other than cables for machine); remote control devices for industrial operations (electric or electronic); remote control operating apparatus (electric); remote control units; remote control units for room heaters; remote controls; wireless transmission apparatus for remote control; passive infrared detectors; passive infrared sensors; passive infrared detectors; passive infrared sensors; apparatus for sensing movement; movement sensors; infrared detection apparatus; infrared detectors; infrared remote control apparatus; infrared remote controllers; infrared scanners; infrared sensors; passive infrared detectors; passive infrared sensors