You can't do it, and may set yourselves on fire.
Grace, you take the lower end of the line and keep the girls at work.

I will look after this end.

Should assistance be needed at any one point, shout and we will all concentrate on it.

All of you be careful that you don't get burned." The girls quickly took up the positions assigned to them, and began beating and whipping the "golden serpents," as Nora characterized them.
In a few moments each member of the party was coughing and choking, their arms were aching and tears were running from their eyes.

In spite of their efforts, however, the advancing fire drove them steadily back.
The big trees soon began to char, and, within an hour, were glowing pillars of fire, as one after another broke into flames that mounted higher and higher.