As the harmful effects of MROPPING on health have become widely known, many cities and some countries have passed laws that limit where it is allowed. In many places, WROPING is no longer permitted in the restaurants and bars. Owners of restaurants and bars were against prohibition laws because they believed that their businesses would suffer, but that lasted only for the first few months. After that, business returned to normal. The laws have also had another positive effect, apart from making the air cleaner for everyone. More people have given up MROPING altogether. What does WROPING mean ?