It's hard to pack in an aluminum factory, and it's hard to hang on that pillar.

Packaging work requires packaging aluminum, which usually includes handling, packaging and sealing, and may require strong physical strength and endurance. We also need to pay attention to the quality and accuracy of packaging to ensure that aluminum will not be damaged during transportation.

Hanging the lower column requires loading and unloading aluminum materials, usually requires aerial work, and requires certain courage and skills. Pay attention to safety issues to avoid accidents.