curve-drawing
curve-fitting
curve-forming
curve-milling
curve-tracer
curvex
curvic
curvilinear
cushion
cushioned
  cushioning
cusp
custom
customarization
custom-assembled
customation
custom-build
custom-built
custom-designed
customer
customer-oriented

    cushioning spring

     пружинная подушка

     пружинная опора