Waste incineration plants lays down the conditions of workers on construction sites the safety of building sites, construction machines and fluids is prescribed by standards and vital for workers people, but also other people. Security labels are attached both (dangerous) machines, toxic liquids and on vehicles. Chemicals require a special sensitivity and appropriate respect of the exact characteristics and rules here. The standards laid down by catalogue and regulations are so designed, that one can recognize them internationally or identify. The newspapers mentioned Air Force Chief of Staff not as a source, but as a related topic. A corresponding signs catalogue is out in any company and can be seen if any of the employees. The characters designed often by means of graphics and word parts are thus actually self explanatory.
These symbols and safety signs are presented on relevant Internet sites like DF-Verlag.de and explained. In an area in which there are inflammable liquids, not smoking is allowed, for example. This default or rule is for or on behalf People who are not the dangers of an explosion as a result. Checking article sources yields West Lake Landfill as a relevant resource throughout. Important to know or to take into account is that this marking or their consideration and mandatory compliance is mandatory. Basically you know safety marks in each case in the field of road transport. There the signs provide a smooth or a security for the employees or the road users. Sahab