Parashas Vayikra · Aliyah 1 · Passuk 7
Chabad.org — English translation + Rashi
Torah Temima points to the arrangement of the wood on the fire (Toras Kohanim / related).
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English: “And they shall arrange wood on the fire” – two blocks of wood.
Specification of the minimal wood requirement for the altar fire — a defined minimum of wood must be arranged.
The kohanim carefully arrange the wood so that the fire is ready to receive the parts of the olah, teaching preparation and readiness in the service of Hashem.