Explicar porque existen distintos campos de aplicacion en la psicologia​

The saw vibrates a lot which can lead to the saw being dropped by the operator.

Agroup of engineering students from purdue university reported that its licking machine, modeled after a human tongue, took an average of 364 licks to get to the center of a tootsie pop. twenty of the group's volunteers assumed the licking challenge-unassisted by machinery-and averaged 252 licks each to the center.