The last and most important was a true engineering textbook which described the action of simple machines such as the lever, pulley, screw, and inclined plane.
(The last and most important; was; a true engineering textbook which described the action of simple machines such as the lever, pulley, screw, and inclined plane) (a true engineering textbook; described; the action of simple machines such as the lever, pulley, screw, and inclined plane)
The last and most important a true engineering textbook
was described
a true engineering textbook which described the action of simple machines such as the lever, pulley, screw, and inclined plane
the action of simple machines such as the lever, pulley, screw, and inclined plane