Ⅳ Preventing Accidents with Construction Equipment, etc.

Ⅳ Preventing Accidents with Construction Equipment, etc.

  • Ⅳ-１. Working with construction vehicles　PLAY 　PDF
  • Ⅳ-２. Drag Shovel　PLAY 　PDF
  • Ⅳ-３. Pile drivers and pile extractors　PLAY 　PDF
  • Ⅳ-４. Concrete pumps　PLAY 　PDF
  • Ⅳ-５. Dump trucks　PLAY 　PDF

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