For in the first it finds the mind naked and unprepossessed with any former notions, and so easily and insensibly gains upon the assent, grows up with it, and incorporates into it.
Two principles are postulated, according to which the elements have probably been evolved: (1) the ontogenic principle, involving the formation of the primary members of the different groups by direct condensation of protyl; (2) the phytogenetic principle, by which the higher members of the groups are developed from the lower by a process of integration.
“That’s textbook bad security practice, and this is an example of why — it’s cumbersome to revoke access and hard to attribute actions to the responsible people,” said J. Alex Halderman, a computer science and engineering professor at the University of Michigan.
When specifying blocks, excessive friction is avoided by ensuring (a) that the diameter of the sheave is at least twice the circumference of the rope or six times its diameter (preferably more), and (b) that the 'swallow' of the block is substantially wider than the diameter of the rope, to avoid rubbing against the inside of the cheeks.
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