15And he slaughtered [it], and Moses took the blood, and placed it on the horns of the altar, around, with his finger, and he purified the altar. And he poured the blood at the base of the altar, and sanctified it [the altar], to effect atonement upon it.
to effect atonement upon it: [i.e., to effect] all atonements from now on.
לְכַפֵּר עָלָֽיו:
מֵעַתָּה כָּל הַכַּפָּרוֹת:
16And he took all the fat which was on the innards, and the diaphragm with the liver, and the two kidneys together with their fat. And Moses caused [them] to [go up in] smoke on the altar.
21But the innards and the legs, he washed in water, and Moses made the entire ram [go up in] smoke on the altar. It was a burnt offering [with] a pleasing fragrance, a fire offering to the Lord, as the Lord had commanded Moses.