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I don't know, how many stokes does it take to shear cobalt?
 
jagfish:
Actually, Co is the element cobalt, atomic #27 on the Period table.:wink:
LOL... I should have actually done a search or something. I couldn't remember an element Co so I just decided there wasn't one :D
 
Aha ... hoist on his own petard!
 
https://www.shearwater.com/products/perdix-ai/
http://cavediveflorida.com/Rum_House.htm

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