low-force
low-frequency
low-friction
low-grade
low-hardenability
low-hardening
low-head
low-helix
low-helix-angle
low-hourly-rate
  low-inertia
low-lead
low-level
low-loss
low-low
low-machinability
low-maintenance
low-manganese
low-mass
low-melt
low-melting