WHAT DOES #177 MEAN?

Let us begin with 1 word, High-quality! They begin Together with the lead they use, it is at least ninety nine.97% pure gentle guide, they soften it to get rid of any additional impurities, then incorporate a small amount of antimony, to acquire the best hardness of the final solution and prevent oxidation.Portofolio permainannya mengesankan, dan A