My fire would not need replenishing for an hour or so.

But she didn't want to leave the company of these men, but the fire between her legs needed quenching.

When the fire needs to be started, I start it.

The fire triangle is used to show the rule that a fire needs three things to burn.

Because the fire would need a draft, I left the studio door and the front door standing open.

Everyone knows that a fire needs oxygen to burn well.

The fire didn't need poking up, but he did it anyway, then sat down beside her.

The fire need not be too hot, but place the rack just 3 or 4 inches from the heat source.

He found that fire needs oxygen, fuel and heat.

The heat of burning stayed in the smoke, so the fire didn't need to be large.