Using Lightroom's Retouching tools to (Batch) Remove Sensor Spots

I never knew you could do this in Lightroom but, thanks to a recent Q&A from a student, here's a quick tutorial on how to remove sensor spots from multiple images at the same time.  Yes, you can Clone those nasty sensor spots off the first image then copy the Spot Removal action, select multiple similar files, syncronise them, then paste the spot removal actions onto the synchronised files. Works well...