| 摘要 |
Knitted clean-room wipers are formed in long strips with sealed borders along both side edges. The strips are fed longitudinally through a very vigorous washing process which places substantial strain on the material. After washing, the strip is cut into individual wipers whose cut edges are sealed to form individual clean-room wipers. The stretch of the wiper material in the longitudinal direction is substantially reduced so as to substantially increase the yield of acceptable wipers from the manufacturing process.
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