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XKCD
XKCD
4:33 AM
My competitors say the tiny single tiny caster is unsafe, unstable, and offers no advantages over traditional designs, to which I say: wow, why are you guys so mean? I thought we were friends!
 
2 hours later…
OakBot
OakBot
6:33 AM
@XKCD XKCD #2983 Explained: A caster, also spelled castor, is a small unpowered wheel attached to a swiveling base. They are typically found on carts and heavy appliances that need to be pushed around by people on a regular basis.

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