(1) operational efficiency ::
Mwachangu ntchito(2) operational expenses ::
ndalama ntchito(3) operational costs ::
ndalama ntchito(4) operational research ::
kafukufuku ntchito(5) operational planning ::
kukonzekera ntchito(6) operational cost ::
mtengo ntchito(7) operational control ::
ulamuliro ntchito(8) operational readiness ::
wokonzeka ntchito(9) operational procedures ::
njira ntchito