low-friction
low-grade
low-gravity
low-heat
low-intensity
low-level
low-melting-point
low-mineralized
low-output
low-permeability
  low-pressure
low-productivity
lowskilled
low-solids
low-speed
low-strength
low-sulphur
low-temperature
low-thrust
low-torque
low-viscosity

    low-pressure steam

    пар низкого давления