Although objects made by human beings, also called artifacts , are very useful for understanding how people lived in the past, other less concrete or obvious facts may be revealed by the work of archaeologists.
(objects; made; by human beings) (other less concrete or obvious facts; may be revealed; by the work of archaeologists) (objects made by human beings; also called; artifacts) (objects made by human beings, also called artifacts; are; very useful for understanding how people lived in the past)
objects other less concrete or obvious facts objects made by human beings objects made by human beings, also called artifacts
made may be revealed also called are
by human beings
by the work of archaeologists
artifacts
very useful for understanding how people lived in the past