Assertion: trowel | /r/HasProperty | his most necessary tool
Facets:
Source sentences:
text: The Entered Apprentice, who can make only a beginning at the task of shaping the ashlar, needs only the gavel and the guage; the Fellow Craft, to bring the stone into completeness of size and form, requires the plumb, square, and level; the Master Mason's task is to set the finished stone in its place, and bind it there, for which purpose the trowel is his most necessary tool.