Welder? not sure I know a live 70 year old that did it for 40.
Machinist? Getting replaced with a robot every damn day, a big goal of industry. Be a robot mechanic or programmer...the future in manufacturing that's already here.
HVAC? Yeah!
Electrician ? yeah!
Plumer? yeah!
Replace the top 3 with trained mechanical contractor & never be without work.
Heavy equipment operator, great pay, seasonal.
Not mentioned, but a few fields mentioned need it & always will, Industrial Maintenance.
Diesel mechanic? The market was saturated for a while, but big trucking continues to grow. Electronics techs needed here more everyday.