Practice question

In a standardized UN packaging code mark (e.g. `UN 1A1/X1.8/300/26/CN/...`), what does the initial packaging type code '1A1' represent under JT/T 617.4 and GB/T 17344?

  1. Steel drum with a non-removable head (闭口钢桶)
  2. Steel drum with a removable head (开口钢桶)
  3. Aluminum box with reinforced wooden corners (铝木复合箱)
  4. Flexible intermediate bulk container for granular solids (柔性集装袋)

Answer: A — Steel drum with a non-removable head (闭口钢桶)

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