and he's working for his own sake. And an oven is treated like a bath house. And a millstone is treated like a field. Gloss: And even if the heathen receives only a third or a fourth, and the Jew receives a benefit from the heathen's work on Shabbat, it's permissible, since the heathen is working for his own sake. [Beit Yosef in the name of Maimonides, Chapter 7; and Beit Yosef, Chapter 248, in the name of the Book of the Heave-Offering].
2 Even a bath house and an oven: if he rented them out year after year, and through this, the matter was publicized that the workers are not getting wages, rather they are rented, and similarly, if the custom of the place is that most people rent or stipulate that the profits go according to percentages, it's permissible to rent them out to a heathen or to have profits go according to percentages. Gloss: And even in a place where it is forbidden, if the bath house or the oven does not belong to the Jew, rather, he hired them from a heathen, and then rented them out to a heathen, it is permissible, since the property isn't recognized to be owned by the Jew [Or Zarua in the name of the Geonim]. And similarly, if there is a bath house in living quarters and the only ones that bathe in the bath house are those
