I am a woodworker and guitar builder/repairman. I have used Meguiars polishes on my lacquer finishes for decades. I now have some 3" pneumatic polishers that I use with Abralon pads and M105. This works better for me than what most guitar builders use, which is large (16" dia. muslin buffing...
OK, I have been lurking for awhile, but I have to respond to that last post. My day job is managing the handling of hazardous waste.
The only type of rags that would be considered hazardous are those that are used to wipe up hazardous solvents and chemicals. Car washing products are water...