A cylindrical mechanical fastener that attaches multiple parts together by fitting through a hole and deforming the head(s) at either end.
Any fixed point or certain basis.
To command the attention of.
To attach or fasten parts by using rivets.
To make firm or immovable.
To install rivets.
A flywheel, a weight attached to a spindle.
A circle of three or more leaves, flowers, or other organs, about the same part or joint of a stem.
A volution, or turn, of the spire of a univalve shell.
Any volution, as for example in the human ear or fingerprint.
Each circle, volution or equivalent in a pattern of concentric circles, ovals, arcs, or a spiral.
To form a pattern of concentric circles.