Industrial-Style Salt
You should avoid drinking industrial-style salt at all costs because it is not suited for human consumption. On the other hand, this form of salt was once offered as table salt, which was an odd occurrence. It caused a variety of health issues.
Oil
A Chinese agri-food firm decided to recycle olive oil that had previously been used in restaurants. Filtering and reselling the water was their method of recycling. More than 2,000 tons of olive oil were sold to restaurants around the country, according to Voyage-Chine.