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/
Oh yeah, we use these "decimal feet" rulers at my job, for surveying. Nobody bothered to tell me ahead of time, so my first few days out in the field were pretty much a complete waste. I still maintain they are an abomination, the worst of both systems.