Hissing: When threatened, cats expel air sharply as a result of their mouths in a distinctive seem identified as hissing. Hissing is usually intended as being a warning and signifies that the cat is frightened or offended. Terlalu tipis dapat mengakibatkan permukaan berlubang, sedangkan terlalu tebal menimbulkan gelembung atau retak. https://www.propanraya.com/kategori/cat-besi