The first aliyah describes the olive oil used for the Menorah. Instructions are given that the Menorah was to be kept burning continually.
Aharon and his sons are appointed as priests in this aliyah and their priestly garments are described here. The garments consisted of a breastplate, an ephod (Rashi describes this to be like an apron), a robe, a tunic, a tall cap, and a girdle.
