half-power
half-rate
half-reflecting
half-ring
half-rough
half-round
half-S
half-set
half-side
half-sine
  half-size
half-slating
half-slotted
half-socket
half-sole
half-space
half-span
half-stitch
half-stock
halfstringer
half-stun

    half-size boiler feed pump

    питательный насос котлоагрегата 50%-й производительности