| 摘要 |
An adjustable trowel for applying sheet rock joint compound to corners between intersecting sheet rock panels comprises first and second planar blade members that are hinged together along a common intersection line and which includes a handle member for grasping the trowel and for holding a desired angle between the two blade members. The blade members and hinge elements associated therewith are symmetrical such that two identical pieces can be joined together in forming the trowel.
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