Answer: Derive
Explanation:
In this sentence the incorrect verb is derives and the correct one is derive.
Derive is considering transitional verb and the meaning of it is, for example, to receive or to take something from some source which in this case is correct since in sentence we have that something is derived from the source, in this case, hand-operated devices and other.
Mountains observe everything and know everthing
Decrease bro....................
first authors first and last name, then the title of the book followed by any chapters/sections used. then the volume (in applicable) them publishers and the year it was published. any editors are out at the end
