Silicon Tetrachloride Nfpa
There is a strange thing in a certain county, called "Silicon Tetrachloride Nfpa". Its nature is very different, the color is pure and the quality is clear, but if you touch it, it will be harmful, and it will be dangerous near the fire.
The wise men in the county all work to explore its nature and understand its use. Or in other words, this thing can be used in the industry of ingenious skills, and it needs to be carefully crafted.
Everyone knows that if you want to make good use of this strange thing, you must investigate its nature carefully, and do it according to its regulations, so that you can keep it safe. Then you study it with all your heart, hoping to do your best to benefit all things in the county.
