Engineer determining the size of land, buildings.

demanding or characterized by careful consideration or application.

Hard; not easy; you need to work hard to do it.

political, religious, or commercial assignment. Tasks given to someone to gain or achieve.

without making any sound.

parts left over after other parts. Bodies of human or animals after it has died. To be left behind; to continue to exist.

season after winter and before summer, in which vegetation begins to appear, in northern hemisphere from March to May. Places where water flows from beneath the ground. To jump into the air.

having specified appearance. To appear to be when you look at them; seem.

Causing trouble. Question to show understanding of a math concept.

optical instrument designed to make distant objects appear nearer, containing arrangement of lenses, or of curved mirrors and lenses. slide or cause to slide into itself, so that it becomes smaller.

At or to an unknown or unnamed place. some unspecified place.

used to emphasize accuracy of figure or description.

Lacking a crew.

relating to or found on surface of something. Top layer of the ground or of water. To come to the top of something; emerge.

equal. Thing like another in quality, quantity or degree.