The other day, I was thinking back to a factory job I held from 1987 until 1995..I worked the afternoon shift at an aluminum casting foundry, where we made parts for things like autos, fighter jets, and tanks..



Anyway, my job was to take the rough edges off of the castings, done by holding the casting "just right" on a rotating belt of very coarse sandpaper..the belt moved fast enough that if one was careless or in a hurry, a casting could be destroyed in seconds, or worse yet, one's… Continue