These may eat by virtue of [the law of] the Torah: one who works with [produce] attached to the ground, at the time of the completion of the work, or with [produce] detached from the ground, when its work is not yet completed —- with something that grows from the ground.  These do not eat: one who works with [produce] attached to the ground, when the work is not completed; or with [produce] detached from the ground, after its work has been completed; or with something that does not grow from the ground.