An assembly drawing shows a bolt, a nut, and two washers being used to join two steel plates. What is the primary function of the washers in this assembly?
-
A
To prevent the nut from loosening due to vibration.
-
B
To distribute the load of the bolt and nut over a wider surface area.
-
C
To act as a spacer to ensure the bolt is the correct length.
-
D
To permanently lock the bolt and nut together.