Delicious and amber beer can become an excellent economic tool. They remove rust. Yes, someone lovingly consumes it and enjoys the taste, and someone uses it for a completely different purpose.
A foamy drink really helps when you need to remove rust. It can be used to process sanitary ware, skewers. Just take a clean rag, dip it in beer and rub the rusty areas. You can leave this rag on them to make the effect stronger.
After an hour you can look at the result. No trace of rust will remain. And beer gives metal surfaces a shine. Therefore, beer is not only a tasty foamy drink, but also an effective economic tool.