Tie tensioner firmware precautions precautions 1. only use uninterrupted strap, the label can be clearly marked on the capacity. 2. Do not overload. 3. Do not tie the webbing to use the name of the tensioner. 4. When using, please keep the fabric away from abrasive or cutting sharp edges. 5. Avoid twisting and twisting the tensioner. 6. Do not place items on the flipchart to avoid injury. 7. Do not use the flipchart as a load lifting adjustment.