removable flow restrictor, what is that?
For years now, showerheads have been required to discharge only 2.2 gallons of water a minute. Not much water, but it is enough. Anyway, in most showerheads, it's a small round disk with a tiny hole in the center, and is removable. It should increase...
Weapons aside, why does the Shang Dynasty nobles favor Bronze more?
Bronze has many amazing properties. In some ways it is superior to steel. Look up bronze in Wikipedia. And it is not a question of favoring it more. It takes much more technical sophistication to work with iron and steel than with bronze. Bronze was ...
I have a Brass tabletop, about 1 metre across.?
I would be tempted to use a car buffer and brass polish. Shouldn't take that long. After that, you might want to research a lacquer to seal it in and prevent the oxidation from coming back. I know they do that with brass ornaments you get from stores...