| 摘要 |
A single piece, plastic shim simplifies the process of shimming a fixture (such as a door) within a frame. The operation of the shim requires only that one piece of the shim be pulled so that the shim folds in on itself, filling the space between the frame and the fixture. Only a small portion of the shim extends beyond the frame, and needs to be cut. This arrangement avoids stress to the shim and the frame.
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