What should I do to ensure the glass tubes not to break?
There is a problem which confused me so much.Hope to get your help: what's the requirement of wooden containers at American and Zelanian customs? Maybe I encountered a big problem.
Why is there a test of anti-terrorism? I am worried that whether it will break items made of glass.
What should I do to ensure the glass tubes not to break? Please tell me the resulotions if you have the similar experience. It bothered me so much.
I hoped demonstrates my cnc,laser and model
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