31. Ozone gas is produced during electric discharge by compressors with moving parts constructed from insulating materials . 32. Concrete-like blocks made with hemp and lime have been used as an insulating material for construction. 33. The insulated material between the fixing point and the conductor is the most highly stressed area. 34. Board members said it could be ice or the much heavier insulating material behind the foam. 35. The main parts of a transformer are : windings, cores, insulating material , bushings and cooling arrangements. 36. Most manufacturers use a yellow insulating material to distinguish these plugs from other similar-looking DC plugs. 37. The water connections between the manifolds and coil sides are made with flexible hoses of insulating material . 38. He created a series of works in the industrial insulating material , Celotex, from 1979 through the 1990s. 39. Top up, the ride was remarkably quiet, owing, no doubt, to three layers of insulated material above. 40. In electrical cables, the velocity factor mainly depends on the insulating material ( see table below ).
