If you don't want sandblast, How about laying asphalt in the west Texas sun? Changing sheets and cleaning toilets at the NoTell Motel? Tin Bending has a great future?
You are either dishonest, or you don't get out much...Americans will do 'all' of these jobs...And Americans 'do' all of these jobs...And, tin knockers make pretty good money...
Funny, about the only place I continue to read that tired old "jobs Americans wont do" lie is here on FR.
Americans may do them where you live but they won't do them in Texas or southern California.