火星须要妈妈 Mars Needs Moms

我无须火柴 I don't need matches

必须带防火帽 Must bring fire apparatus ; Must bring fire hats ; Cap with fire must be

走火通道须畅通无阻 fire exits shall be unobstructed

必须戴防火帽 Must wear a fire Hat

就必须由烟火技师 pyro technician