When certain vessels are lost in an unknown area, a potential salvor might discover and plunder the wreck without knowledge of the wreck's owner.

In the centre of the great fleet, certain larger vessels sailed.

The walk led straight past the third-class, apparently deserted dock of which a certain ultra-fast vessel was the only occupant.

On the autoptic spectrum of certain vessels within the eye, as delineated in shadow on the retina, Phil.

Advance immigration clearance and radio pratique may be obtained by certain vessels on application.

It was entangled about the ruined mast of a certain vessel.

The Act limited the president's authority by only allowing the capture of certain vessels.

Laminar flow: In certain vessels, the blood flow is slower on the vessel walls than near the center.

On the chart were colored pins that represented the positions of certain coastwise vessels, according to latest reports.

Outriggers may be employed on certain vessels to reduce rolling.