A separate ruling by the Federal Circuit in December raised the stakes in such cases, potentially exposing product makers to huge liabilities.
12月时联邦巡回上诉法院所作的另一个判决提升了此类案件的风险，它可能会令生产商负上巨大的法律责任。
2
Overpressure protection should be provided on any lines, including the vaporizer circuit, in which liquid product can be trapped by isolation valves, check valves, or other system components.
应该为任何管道提供过压保护，包括液体产品可能被隔离阀堵在里面的蒸发器回路、止回阀或其它系统组件。
3
Routine flotation-cell is replaced by Column flotation in coarse-flotation circuit, and cost of product is reduced in great extent.