| 摘要 |
A combination comprises a piece of treated wood that is treated with a substance corrosive to metal, a metal fastener configured to couple the piece of treated wood to a structure, and an apparatus for protecting at least a portion of the metal fastener from the treated wood. Disclosed examples of the structure to which the piece of treated wood is coupled include a building foundation and another piece of treated wood. The apparatus for protecting the metal fastener form the piece of treated wood serves as an insulator and is configured as a bushing in illustrative examples.
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