barge carrier system or barge carrying ship

barge to barge transfer

access ramp

adjustable shore ramp

aft ramp

angled stem ramp

approach ramp

asymmetric ramp-nozzle

axial stern ramp

ball and ramp mechanism

binary weighted ramp generation

binary-weighted ramp generation

binary-weighted ramp generator

boat launching ramp

Bottleneck ramp-metering

bow ramp

bridge ramp

Bruce Ramp protocol

cam ramp