a
lead weight hung at the end of a
line, used to
determine how deep water is or whether a
wall, etc., is vertical. Those two-by-fours sometimes could be vertical and you
measure it with a plumb bob because if they aren't vertical the
wall will
sag.
a
lead weight hung at the end of a
line, used to
determine how deep water is or whether a
wall, etc., is vertical. Those two-by-fours sometimes could be vertical. You
measure with a plumb bob '
cause if they aren't vertical the
wall will
sag.