розірваний роз’єм (стосується дронів)
open burning and open detonation (OBOD) (= open-pit)
open country / open ground
connector interface panel
cell connector
head lamp connector
horn connector
data link connector
connector plug
connector socket
hydraulic connector
connector
banana connector
bullet connector
discharge connector
load connector
short connector
U.FL connector
break-open
open arrest
open attack
open barrel sight
open boat
open column
open emplacement
open fire
open flank
open formation
open hostilities
open order
open out
open position
open range