I looked at a bunch of things a while back, like Koen alludes to, its really difficult to know for sure because a bunch of things can look the same
For example this is pretty close to the "hanap" on the WIKI example - You are not allowed to view links.
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For the engineering book example my guess would be in line with Marco's comments, for the VMS examples that are somewhat similar I'm hoping the context of plants is useful, but people did a lot of things with plants..