This time I will bring you what kind of process is related to the fact that most glass beer bottles are green. In fact, many people don't know how to solve it, so the editor will give you detailed steps to solve this problem, so that you can solve this problem in one go.
Answer: Glass manufacturing process
Analysis:
1. Glass bottled beer only appeared in the 19th century. The initial glass manufacturing process was not very sophisticated, and the ferrous ions in the raw materials were difficult to remove.
2. Therefore, the glass bottle appears green. Later, it was discovered that green wine bottles can delay the taste of beer, so using green bottles to store beer has become a tradition in the beer industry.