- Brand: Qilu
- Model: Big wheel machinery
- Product Number: Qilu-20
- Color Classification: Qi Lu [round] to send large mechanical tape Qilu Ferry] [digital tape Qilu send [send] digital Big Wheel tape Qilu ranging round  to send the tape with brake
- Renovation and construction content: Installation Engineering
- How it works: Wheeled rangefinder
- Ranging Distance: 9999 meters
Maintenance and use of hand tools:
Confucius said: We must first of its profits to perfect processing or assembling complete each task, you must first equip the right tools hardware maintenance not only can not be used, that would reduce the life of metal tools. Please rational use and maintain your tools.
(A) Maintenance of hand tools:
All tools should be checked regularly and maintenance, clean the tool surface stains after each use, in the case of metal on the qualities of the product, please rust oil to prevent rust.
In case of failure or damage should immediately repair the damaged tool is likely to cause injury.
Before using the tool you should know the correct use and range, select the appropriate tools for maintenance work. Tool often used by long-suppressed, still need to maintenance.
Various hand tools must be designed in accordance with the purpose of use, the tool is not installed before the prison prohibited. Never use the tool is damaged or defective.
(B) the principle of the use of hand tools, safety:
① Select the hand tool for the job required. ② to maintain a good tool usage.
③ Select the material good hand tools before actually checking ④ using hand tools.
⑤ correct way to use hand tools. ⑥ hand tools should be placed a safe place.
⑦ Before wear appropriate protective equipment. ⑧ tool selection criteria or requirements tools.