Apple's iPhone charger crams a lot of technology into a small space. Apple went to extra effort to provide higher quality and safety than other name-brand chargers, but this quality comes at a high cost.. In fact, Apple seems to squeeze an awful lot of technology into a very, very small space.
Timber preservtive and in the preparawtion of other wood preservatives, e.g oil-based copper naphthenates and water-based copper/chrome/arsenic for the prevention of woodworms and wood rots. Ingredient of plaster to prevent fungus infection, e.g to prevent the spread of dry rot.aw material for the manufacture of copper naphthenate and other copper compounds for use in anti-fouling paints. Preparation of certain varnish or paint dryers, e.g copper oleate, copper stearate. Preparation of certain pigments, e.g copper chromate, copper ferrocyanide, copper phthalocyanine.
Best Answer: The best stuff to use is called Phosphoric acid, which is a rust converter for iron. It takes the tarnish/verdigres straight off copper without damaging it. You can also soak copper in cloudy ammonia, but it takes a couple hours, and you have to keep an eye on it, because left too long, it will then turn the copper black. This can be removed though.