Having a smooth efficient shape. line along which flow of moving fluid is least turbulent. To make smooth or more efficient.

To give assistance or advice to someone.

New or different form of something. create new version of.

Having a lot of physical force, energy, strength. very.

action or process of releasing or being released. Acts of freeing someone from a duty or burden. To allow a film, music etc. to be sold/distributed.

used to single out one person or thing over all others.

combine with another to form whole.

Line of pipes used for carrying gases or liquids. To send through a series of pipes.

Dealing with official forms in the way required. To organize and use data in a computer.

surroundings of living thing. Natural worlds in which plants and animals live.

activity or skill of writing. To invent or create a computer program. To compose letters and words on paper or a screen.

act or process bringing change. Acts of making or becoming something else. make different.

expressing doubt or choice between alternatives.

in most cases.

belonging to or forming outside. outward features.