any mechanical or electrical device that transmits or modifies energy to perform or assist in the performance of human tasks
an intricate organization that accomplishes its goals efficiently
an efficient person
a device for overcoming resistance at one point by applying force at some other point
a motor vehicle with four wheels; usually propelled by an internal combustion engine
the paved surface of a thoroughfare
the act of applying paving materials to an area
material used to pave an area
