What is the warning sign of the steps?

Be careful of the warning signs on the steps:

Up and down, watch your step.

Go up and down the stairs, and then go right. I'll let you go easily.

The warning sign means to warn people of possible dangers.

The geometry of the warning sign is a black triangle, a black symbol and a yellow background.

There are 39 warning signs in China, such as: pay attention to safety, electric shock, explosion, fire, corrosion, poisoning, mechanical injury, heart injury, hanging objects, foot prick, falling objects, falling, vehicles, arc light, roof caving, gas, landslide, potholes and ionizing radiation.

Related information:

(1) warning line: the marking line that defines and separates the dangerous area.

(1) Around the red warning line, workplaces with high toxic substances, radiation workplaces and emergency hazard sources. Professionals wearing corresponding protective equipment are restricted from entering the area, and the production, storage, transportation and use of high-altitude articles and radioactive sources must be equipped.

(2) Yellow warning line, generally toxic substances workplace, close to the accident danger area. Professionals wearing corresponding protective equipment are restricted from entering the area, and the production, storage, transportation and use of high-altitude articles and radioactive sources must be equipped.

(3) green cordon, around the rescue area at the scene of the accident. Isolate rescue workers from the public. The rescue, treatment and command institutions of patients are located in this area, and workplaces where acute poisoning hazards may occur must be set up.

(2) Warning instructions: Warning instructions are words that prohibit, warn, instruct, prompt or explain occupational hazards in the workplace, and are generally used in combination with graphic signs.

(3) Notification card of occupational hazards of toxic substances: graphic combination. Reminder card to inform workers of the harmful consequences and protective measures of an occupational disease. Used in the eye-catching position of highly toxic articles.