They also require a warm-up period of 4 - 7 minutes to reach full light output.

A warm-up period is introduced for the first-time before each race.

But after a brief warm-up period, he does not hesitate to expand on his partner's comments.

"There is no warm-up period with him - just instant openness."

In most cases, the warm-up period should last 5 to 15 minutes.

During this warm-up period, the frequency may not be fully stable.

What I'm saying is, I don't need a warm-up period.

During an initial warm-up period, the cells are fueled by an external source of natural gas.

A sufficient warm-up period is required to ensure the best stability at higher frequencies.

He didn't even make us practice our patterns - that's what we usually do, after the warm-up period.