New applications of copper

1) Copper pressure plate, in the game, there are iron and gold pressure plate, so why is there no copper pressure plate? The copper pressure plate can be made with two copper ingots, and the copper pressure plate oxidizes like copper blocks. 2) Oxidation of lighting rod 3) Copper nugget With 9 copper nuggets, you can make a copper ingot, and to make a brush, you must use nuggets instead of ingots.