I want to go here!
Toyo Frame Factory Tour
Marble Machine Instrument
This is one of the most soothing and amazing videos on YouTube. Look at this musical instrument made by hand and played with marble balls.
How to calibrate a seismic detector
Budd steel factory advertisements
How old railroads and railcars are salvaged and recycled for a new life
I want to visit these recycling places, especially the steel recycling plant in Illinois.