"Also, there is lubricant; lubricants and greases are widely used for the lubrication of various machines. Without lubrication, almost all machinery cannot operate normally.
And the components in lubricants and greases (butter) are mostly base oils refined from petroleum, with many lubricants containing 90% petroleum. The common lubricants are engine lubricants used in automobile engines, commonly known as motor oil."
Li Yu was somewhat surprised. Although he knew the importance of petroleum, he hadn't realized petroleum played such a large role.
Then.
Kong Shuang continued, "Actually, the fertilizers and pesticides that were produced a few days ago also require petroleum. Moreover, the preservation, coloring, and seasoning of many foods involve petroleum products..."
Faced with this heap of information from Kong Shuang, Li Yu nodded heavily after hearing it.
He wasn't a deity; it's impossible for him to be knowledgeable about every industry and field.
