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 toothed gear whose face is the arc of a circle.
section
a fictional region of space designated for navigational or governance purposes.
a field of economic activity
A fixed, continuous section of the track, such that sectors do not overlap but all sectors make up the whole track.
part of a circle, extending to the center; circular sector
an area designated by boundaries within which a unit operates, and for which it is responsible
zone (designated area).
one of the subdivisions of a coastal frontier
an instrument consisting of two rulers of equal length joined by a hinge.
An area of a crag, consisting of various routes
fixed-sized unit (traditionally 512 bytes) of sequential data stored on a track of a digital medium (compare to block)