This chapter treats of the altar of incense, its form and use, Ex 30:1-10 of the ransom of the Israelites, with the half shekel when numbered, Ex 30:11-16 of the laver for the priests to wash their hands and feet at before service, Ex 30:17-21 of the anointing oil, the ingredients of it, and what was to be done with it, Ex 30:22-33, and of the perfume, the composition and use of it, Ex 30:34-38.