spring retaining sleeve
Spring Force of Constant Torque Spring and Wing-up Spring
PROCEED RIGHT OR KEEP RIGHT
right crop for right land
right crop for right time
right hand screw [= right handed screw]
right weak complete right pordered semigroups
right-anglerectangular prisms right-hand circular polarization
the right to vote and the right to be elected
unit conversion brake shoe(or brake pad)force(the ratio of conversion brake shoe force to mass)