| 摘要 |
A notched metal channel having a small section of web removed and an adjacent short section of flange bent inwardly into the area of the removed section of web, and a hollow wall having such a notched channel forming part of the framing in the hollow of the wall, with elongate utilities in the wall extending substantially perpendicularly, relative to the channel, and extending between the channel notch and the adjacent wallboard forming the wall facing.
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