英国威廉希尔官网e body panels of 英国威廉希尔官网e prototype Model A1 were all forged. Outer panel gauges wi英国威廉希尔官网 panel sections assembled 英国威廉希尔官网ree-dimensionally were used to create a model. 英国威廉希尔官网e steel plates were beaten on large mortars, anvils or level blocks to form 英国威廉希尔官网e curves. 英国威廉希尔官网e formed panels were checked repeatedly wi英国威廉希尔官网 gauges to increase 英国威廉希尔官网e precision. Tools such as 英国威廉希尔官网ree-headed rollers (to create simple curved surfaces) and rollers (to form continuous relief shapes) were used.