21.   Bring to boil, then adjust the heat so the mixture simmers gently.

22.   Bring to a simmer, cover and adjust heat to maintain a gentle simmer.

23.   Bring to a simmer, cover and adjust heat to maintain a bare simmer.

24.   Cover and adjust heat to maintain a gentle simmer.

25.   Cover partially and adjust heat to maintain a gentle simmer.

26.   Gently turn mixture in oil with a wooden spoon, and adjust heat so oil bubbles lazily.

27.   He monitors his temperature gauges, adjusting the heat by alternate use of his burners and a cooling vent line.

28.   If it browns too fast, adjust the heat.

29.   It might be wise to use half of the amounts specified for red pepper and seasoned pepper, then taste and adjust heat to your liking.

30.   Place crab bodies shell side down in the skillet, and adjust heat so crabs sizzle but the butter or oil does not pop.