Answer:
Ergonomic
Esther has been lifting tools all day, so most likely the repetitive movements or improper lifting caused her pain.
Label I believe but are there answer choices?
A seesaw is an example of a first class lever The fulcrum, which is the part of the lever that does not move, is in the middle. The resistance, which is the weight (person) you are trying to lift is at one end. The effort, which is the force applied to the lever, is the person sitting on the other end.
Answer:The design elements (line, shape, space, colour, texture, tone) are used in a way to construct the design principles (balance, emphasis (contrast and proportion), dominance, unity (proximity and repetition), pattern, movement).