This question has options. How would someone go about accomplishing this goal?
How long should you let wood chips smolder before putting food on grill?

Select from:
-Heat the wood chips for 10 minutes or until they start letting off smoke before putting food on the grill.
-Heat the wood chips for 60 minutes or until they stop letting off smoke before putting food on the grill.
Heat the wood chips for 10 minutes or until they start letting off smoke before putting food on the grill.