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In virtually every way, the BB-unit design is better than the R-series design.
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The limited use of the copyrighted clips and music in this video for analysis and commentary are in line with fair use principles in US copyright law.
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CREDITS:
Brought to you in part by patrons on Patreon! / echenry
Josh Nesmith
Håkon Nilsen
TK2 Films
James McKay
Joseph Jonathan Marcus
Daniel Day
Nonstop Pop!
Dominick LaLicata
Sam Williamson
Music: Kevin MacLeod, Incompetech.com