(1) operational efficiency ::
kecekapan operasi(2) operational expenses ::
perbelanjaan operasi(3) operational costs ::
kos operasi(4) operational research ::
penyelidikan operasi(5) operational planning ::
perancangan operasi(6) operational cost ::
kos operasi(7) operational control ::
kawalan operasi(8) operational readiness ::
kesediaan operasi(9) operational procedures ::
prosedur operasi