doub - dry
- double
- double acting
- double acting fuse
- double acting piston
- double acting pump
- double angle
- double banking
- double berth
- double bevel
- double bevel butt joint
- double bladed knife switch
- double block
- double bottom
- double bottom tank
- double burton
- double bаck
- double cabin
- double combustion boiler
- double compass
- double drum hoist
- double ended boiler
- double ended spanner
- double ender
- double expansion
- double expansion engine
- double flanged butt joint
- double flanged butt weld
- double half-day tide
- double header boiler
- double hook
- double hook joint
- double insurance
- double modulation beacon
- double over
- double oxygen hose cutting
- double pass boiler
- double pillar
- double plate rudder
- double pointed
- double pole
