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  • The big bulldozer and industrial pollution. Pollution is the introduction of contaminants into the natural environment that cause adverse change. Coal mining. Puzzle #643979704
The big bulldozer and industrial pollution. Pollution is the introduction of contaminants into the natural environment that cause adverse change. Coal mining. puzzle #643979704

  • - 3 sizes: 48, 500 & 1,000 pieces
  • - Durable, glossy-coated paperboard
  • - Full-bleed, photo-quality printing
  • - Storage box included

$39.95

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