Metal bowlegged compasses called callipers are used for measuring the diameter of spars.
(compasses; called; callipers) (Metal; bowlegged; compasses called callipers) Context(Metal bowlegged,List([0, 15))):(compasses called callipers; are used; for measuring the diameter of spars)
Metal bowlegged,List([0, 15))
compasses Metal compasses called callipers
called bowlegged are used
callipers
compasses called callipers
for measuring the diameter of spars