Copper button blackening method

Rub it with sandpaper and wipe the oxidized material out.
Or buy something like hydrochloric acid, bubbles, and then take it out with a cloth coat just fine.


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Coconut shell button

The coconut shell is very hard and can be used to make buttons. This type of button is characterized by a light brown to dark brown color, with a different color on the front and back, and the surface of the button is dotted with spots or filaments. Coconut shells are lighte.......

Seven wolves men's jacket jacket culture tour

If you missed the spring and autumn months and missed the summer night, then you should never miss the wonderful scenery in winter. Not only do you have to watch the scenery along the way, but more importantly, you must match yourself with a st.......

Recycled plastic knowledge

The chemical name of waste plastics, and what kind of plastic products can be made after various waste plastics are made into granules.
For example, what can be done after making mineral water bottles into pellets? Its chemical name?
What can .......