General orientations

Always wear safety glasses to protect the eyes.
- Do not strike the wrenches or spanners unless they are made specifically for this purpose.
- Always use a wrench or spanner that corresponds to the size of screw or nut, failure to do so may result in damage to the wrench or screw.
- Keep the wrench or spanner clean for a better grip. Using it when it is covered with grease or oil can cause accidents.
- Do not use pipes or other extensive bars to obtain more torque.
- Do not change the original shapeof the wrenches or spanners.