Their airlock doors fitted so precisely that the seams were nearly invisible, and did not require gaskets or other flexible seals to compensate for imperfections.

This led to the one part rigid seal in the external tank being replaced with a two part flexible seal.

All upper surfaces at the hinge points are formed by continuous flexible seals preventing leak- through causing drag and turbulence problems with the ailerons and flaps.

When he tightened the wheel in the center, it squeezed down against a flexible seal.

Using a separate set of controls in the corner of the console, Paris extended a flexible seal around the docking port.

It's sticky and smelly, but gives a strong and flexible seal.

A flexible seal is hard to accomplish in the Moon.

The MC4 connector incorporates a flexible watertight seal and is supplied as 'male' and 'female' type to minimise the chance of wrong connections.

The main problem was coming up with a flexible watertight seal that would attach to any surface and allow us to make the cut.

The MC3 connectors incorporate a flexible watertight seal and are supplied as 'male' and 'female' types to minimise the chance of wrong connections.