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As Tom mentions, we have many items here to download and articles to read.

To start, download the wood locating diagram for the 25' models.
http://www.whalercentral.com/download...owstart=15

Also take a look at the Commercial Hull information from theses downloads.
http://www.whalercentral.com/download...?cat_id=14

As Phil mentions, can you be more specific at what you are looking for?
Interior components is fairly broad....