That means they use fluid to transfer the braking power from your foot to the brakes.

But I can't imagine that the ancients used hydraulic fluid.

Using either fluid in the incorrect system would completely destroy the hydraulic seals very quickly.

Drink often, using fluid stops as an opportunity to walk a little.

The same environmental problems and contamination for analysis of rock samples occurs using Synthetic-based fluid.

A third member said she used botanical fluid to help her relax.

People would be forbidden to use lighter fluid to start their backyard barbecues.

A traditional alternative to using lighter fluid is a chimney starter.

These use fluid and are inflated or deflated on demand.

The main components of the picture are masked off using liquid masking fluid diluted with water.