1) Building elevator
The driver of construction hoist shall hold the qualification certificate for special operation of construction, and shall not operate without certificate.
(2) Users shall submit written safety technical submissions to construction hoist drivers, and the submissions shall be kept for reference.
(3) The user should lubricate the lubricated parts in accordance with the requirements of the instructions.
2) Rail lifting platform
Check whether the power supply is switched on.
(2) Check whether the guide rail lifting platform is normal, such as whether there is no debris hindering the lifting, whether there is water immersion, etc.
(3) Testing whether the ascent and descent is normal or not, after the test is normal, it can be used.
For both operators, the technical requirements of the operator of the rail lifting platform are low, so long as it can be operated after simple training, but for the construction elevator, the technical requirements are higher, the scope of use is not too wide, mainly for the construction industry.

Next:Who invented the lift?