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    • Arkan Arzesh - Duration: 3 minutes, 57 seconds.

      • 1,270 views
      • 1 year ago
    • Dry ice-blasting - Duration: 71 seconds.

      • 100 views
      • 2 years ago
    • refrigeration cycle - Duration: 3 minutes, 34 seconds.

      • 4,719 views
      • 2 years ago
    • Basics of HVAC - Duration: 10 minutes.

      • 76 views
      • 2 years ago
    • HVAC2 - Duration: 118 seconds.

      • 6 views
      • 2 years ago
    • HVAC1 - Duration: 118 seconds.

      • 11 views
      • 2 years ago
    • Arkan Arzesh - Duration: 17 seconds.

      • 26 views
      • 2 years ago
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