. The two he-goats of Yom Kippur are essential to [the validity of] each other. The two lambs of Shavuos are essential to [the validity of] each other. The two loaves are essential to [the validity of] each other. The two arrangements are essential to [the validity of] each other. The two spoonfuls [of frankincense] are essential to [the validity of] each other. The arrangements and the spoonfuls [of frankincense] are essential to [the validity of] each other. The two kinds [of breads] of the nazir, the three [ingredients added to] the [red] cow, the four [kinds of bread] of the todah-offering, the four [species] of the lulav, and the four [ingredients] of the metzora’s purification are essential to [the validity of] one another. The seven sprinklings of the [red] cow are essential to [the validity of] one another. The seven sprinklings between the poles, and on the Curtain, and on the Golden Altar are essential to [the validity of] one another.