Gas certainty and liquid if the container is absolutely full.
Cheeta makes mounts that move in all directions.
A Pulley
An airlock device is used for a container that holds gas. This device allows for the gasses to pass our of a container and not into a gas container. It is a safety mechanism and is used mostly on gas containers.
One can search for walking directions on their smartphone if they have one. Google Maps has a function that allows one to search for walking directions. This can be done via an app or the site itself.
Polarized.
The joint that allows the forearm to swing in all directions.
Yes, the long vertebrae in a ferret has a great deal of flexibility which allows them to easily change directions while running.,
Evaporation only happens at the surface. So a wider container that allows for a greater surface to be in contact with air, the faster the evaporation.
This allows for creativity from the performers.
Usually a long container for food which allows several animals to eat from it at once.