fluid
a substance that containually flows under sheer strees
resist
to with stand action or effect
displace
to remove from the usual or proper place
principal
a law or fact of nature that explains how something works or why something happens.
submerge
to make someone or something go under the surface of water or some other liquid
neutral
a state in which power is equal; not positive or negative.
hover
to be in an undecided or uncertain state; to remain floating over a place or object.
mold (verb)
to press into a shape.
hull
the frame or body of a ship, flying boat or airship/plaine
cavity
a hollow place