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
low-melting-point
low-mix
low-nickel