'No smoking beyond this point', this signage is telling the people to not smoke beyond the certain point from where this sign is displayed. Smoking is an act which harms the smoker and also it disturbs and harms the other people as well. So, installing such Prohibition signs would make the readers aware that they are not allowed to smoke in the premises. Smoking is dangerous if done at critical places, places wherein inflammables and chemicals are stored. So, this signage's would help to reduce the accidents concerns in the facility.