Warn
To avoid personal injury or damage to equipment
• Prohibited overload
• Prohibit new load on the load has been promoted
• Prohibits use on unstable or dangerous locations
• Must be flat, and can support the load surface using Jack
• Loads must be immobile in the promotion process
• Unstable loads can lead to dumping Jack
• Prohibit the use of corrupt, failed or aging of Jack
• Prohibition of the promotion, and when Jack was banned at the load increase
• Prohibit the use of the toe end of support when lifting loads; Toe support must be made full contact with the load