31. As for the metal tubes , some experts believe they were intended for non-nuclear uses. 32. Another type of blast valve employs rounded metal tubes held in place by springs. 33. Nearby, two metal tubes poked from a pile of sandbags. 34. Here he is killed by falling metal tubes , and is buried beside his consort. 35. The mechanical workshop specialized in the construction of frames and other metal tubing structures. 36. It looks something like a 47-foot metal tube of toothpaste. 37. Lathes cut metal tubes , in Gildemeister's case to make automotive, aerospace and plumbing parts. 38. Solis shouted to one exotic dancer, whose act included dancing around a metal tube . 39. The smoke is passed through an array of metal tubes which contain suspended wires. 40. The energy absorber was a metal tube filled with a fire proof aluminium honeycomb.