Tunneller
Challenge in this episode each team has to build a "tunneller". Then the machines will be tested in a drilling competition. Each team will have to drill a 2 foot hole through 2 concrete walls 3 feet thick each. The 1st wall is a medium concrete. The 2nd tougher wall is a harder concrete reinforced with aggregate. After both holes are drilled all team members must pass through the tunnel to escape. The team which passed through their tunnel and crosses the finish line first wins and will advance to the next round. Contestants Team Dark Blue The X-tinguishers Team captain Westy, Fergy, Morley, Expert Bill Lord Team Orange The Cat-alysts Team captain Shane, Garry, Tim, Expert Andy Weatherall
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