example|noun|a part that shows what the rest of a thing or group is like
independent|adjective|not influenced by or controlled by another or others; free; separate
power|noun|the ability to control or direct others; control; strength; ruling force; force or energy used to do work (&ldquo;Water power turns the wheel.&rdquo;)
research|noun|a careful and serious study to discover new facts or test knowledge
tool|noun|any instrument or device designed to help a person do work
