The tip of the screw driver has been made of hardened steel which has been ground to provide a long life and a precise carburettor set-up. 尖端的螺丝刀已经取得了淬硬钢已地面提供一个长期的生活和一个确切的化油器的设立。
The assembly shall have top entry access points for each check assembly, screw driver slotted test cocks and require the use of no special tools for servicing. 这种总成的每个止回阀总成应该有顶部进入口，螺丝刀槽测试旋塞，维修时不需要特殊工具。
