- Bestpriceobtainableeasilyobtainable;availableeverywhereIsthatcassettestillobtainable?Theworkobtainableequalsthatexpended.Setrealistic,obtainablegoalsandmeetthem.Thisis19timestheenergyobtainableunderanaerobiccircumstances.Thisalwayssetsultimatelimitto...
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