Changes in performance of work in the interest of Work Simplification can be grouped into three classes. Select the changes from the least to the most important in sequence.
(A) Product
(B) Body positions and motions, and sequence of work
(C) Tools, equipments, and work arrangement
(D) Energy spent on activities
(E) Time spent on performing activities
Choose the correct answer from the options given below :
1
(D), (E), (C) Only
2
(B), (C), (A) Only
3
(A), (D), (C) Only
4
(A), (D), (E) Only