Meaning of safety signs free instruction sign instruction flag that must be followed. Instruction Flag geometry is a circle, blue background making safety warning signs, white graphical symbols. Instruction Flag total of 15, including the power-related, such as: You must wear a helmet, you must wear protective footwear must wear a seat belt, you must wear protective glasses, must wear gas masks, must wear ear protection, protective gloves must be worn protective clothing. The use of safety signs (1) danger signs installed only on a direct dangerous place to indicate the presence of danger. (2) prohibit the flag with the symbol or descriptive text to indicate a mandatory order, to prohibit any act. (3) Warning signs to indicate danger warning signs designed by symbols or words, expressed the need to be careful, or to describe the dangerous properties. (4) Safety signs to indicate the location where safety and security services, and gives safety-related measures and major safety instructions and recommendations here. Safety warning signs signs production _ Yu Po. (Certified) _ warning signs provided by Henan Changyuan Yu Po signs Limited. Changyuan Yu Po signs Ltd. (www.hnypbp.com) Henan Xinxiang, nameplate leader, over the years, the company implement the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Yu Po signage in leadership with the staff warmly welcome all inquiries negotiations to create Yu Po signs a better future.