Chapter 486: Thorough Investigation

rest time. She hadn't even had time to hate...Feeling a dull ache in his lower back and shoulders, Li Chen looked up and immediately saw Chen Tong standing tremblingly in the corner of the Xizheng Ha...s militarily for a long time.Therefore, before that, saltpeter was mostly used by civilians to make gunpowder, fireworks, and alchemists' potions. Although its uses were quite widespread, the consumpt...