On a construction site, a crane is moving steel beams from a truck bed to workers. the crane is programmed to
perform the transformation l = 1
2 3

a. if the workers are at location where does the truck driver need to unload the steel beams so that the
crane can pick them up and bring them to the workers?
b. if the workers move to another location −3
1
where does the truck driver need to unload the steel beams so
that the crane can pick them up and bring them to the workers?