There is a stone today, produced in the land of Oregon, and its quality is calcium carbonate. The calcium carbonate here has a unique source, pure and high quality.

This stone is moist and shiny in color and fine in texture. It is used in various industries and has a wide range of functions. For workers, it can be a calcined material, which can be tempered by fire and turned into other things. It is used in construction materials, which are strong and durable. For farmers, or the acid and alkali of the soil can be adjusted, which can help the growth of seedlings, and produce grains and plentiful barns.

Its mining should also be carried out by law, so as not to hurt the earth veins and not to damage the ecology. Make the calcium carbonate of Oregon grow for the world to use, benefit all people, and last forever.