Soy ink. Soy-based inks and toner cartridges
The history of soybean cultivation dates back centuries. Soybeans were used by the Chinese for both medicine and food. They were cultivated by the Koreans, who ate them and allowed them to grow wild. In the 1st century, the Japanese created soy-based cheese tofu, and soy milk. In the year 1765, the beans were introduced…