Logging Terms - P -
PASS LINE: A small line threaded through a block at
the top of the spar to assist the high climber.
PEELER: Logs used for peeling into thin layers called
veneer for the manufacture of plywood.
PERMISSIBLE: (As applied to any device, equipment or
appliance)- such device, equipment or appliance has the formal approval of the
United States Bureau of Mines, American Standards Association, or National Board
of Fire Underwriters.
PLUMB: To gauge or assess the various types of lean in
a tree.
PLUMB-BOB: Special tool used to establish the outward
lean or slant of a tree in relation to its base. Generally a lead weight
attached to piece of string is used.
PORTABLE SPAR OR TOWER: A movable engineered structure
designed to be used in a manner similar to which a wood spar tree would be used.
PUSHER OR DRIVER: Use of a tree to drive or pushover
another that does not fall although it has been faced and backcut. Such a
situation results if a tree hangs-up, sits back or is skybound.
PUSHING: When a tree has been undercut and backcut and
will not fall, the faller may as a last resort "push" this tree by
falling another into it.
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