Physical parts of a computer, machine or device.

To consider how similar and different things are.

danger or risk. Some things that are dangerous and causes problems. To try with the risk of being wrong or losing.

improved by addition or replacement of components. To improve something in terms of quality.

Of the top layer; not deep or meaningful. Outside or upper layer of something. To appear after being hidden, unseen, or unknown.

With no mistake or error; Correct.

cloth canopy which fills with air and allows person or heavy object attached to it to descend slowly when dropped from aircraft. To drop supplies from a plane via parachute.

containing as part of whole being considered. To make someone, something part of a group.

having resemblance in appearance, character, or quantity. person or thing similar to another.

Not present; not available. To feel you want to see someone who is not there.

Eager desire to learn more about something.

designer or maker of machines. Someone whose job is involved with engineering. design and build.

Act of continuing to try despite difficulties.

complete. To suddenly drop in value or amount.

To try to decrease, e.g. your weight if overweight.