文档介绍：The Duet Tape
Among the contents of the toolboxes of most people in the western world you would expect to find a hammer and nails, a drill, screwdrivers(螺丝起子) and some screws. But if you were to ask people from North America what the most useful item in their toolboxes was, the majority of people would undoubtedly tell you that it was duct(输送管) tape. Indeed, it has become an indispensable addition to every person’s perception of what constitutes necessity.
Maybe you have never heard of duct tape. It is the brand name of a tape. Not only is it a tape, but also it is a special kind of tape.
The name of the tape comes from the fact that it was designed as an insulating(绝缘的) tape that can be used in duct work (channels or conduits[导管] that are used for heat to travel through to get to different areas of a building). Incredible though it seems, someone actually put a picture of a duck on the packaging of the tape from one manufacturer perhaps just as a joke or maybe because the design artist did not understand the origin of the name. Neither the word duck nor duct was on the label. Presumably, it was assumed that everyone could identify the product.
You can recognize the genuine tape because of its silver grey color. The color was likely chosen because it closely resembles the color of the pipes the color of the pipes it would be used on. That was the primary intended use of the