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xkcd #3138: Dimensional Lumber Tape Measure (imgs.xkcd.com)
submitted 1 year ago by [B] to c/xkcd@lemmy.world
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xkcd #3138: Dimensional Lumber Tape Measure

Title text:

A person with two watches is never sure what time it is, especially if I got them one of the watches.

Transcript:

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Source: https://xkcd.com/3138/

explainxkcd for #3138

A person with two watches is never sure what time it is, especially if I got them one of the watches.
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[–] 2 points 1 year ago

Unfinished 2x4s are actually 2in x 4in, which originally you would trim on all sides to get a nicer surface getting down to the "modern" dimensions. Nowadays, you pretty much only see pre-trimmed lumber.

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