POLISHING STONES WITH SANDPAPER CAN BE FUN FOR ANYONE

When deciding upon a rock for polishing, it’s critical to take into account its hardness as an essential factor. Some common gemstones, which include opal, amethyst, and geode, have different levels of hardness that can affect the time and effort required to polish them.ดึงดูด น่าค้นหา ให้ความรู้ส