Operate and monitor screening equipment, bleaching equipment, digesters, mixing tanks, washers, and other pulp processing machinery and equipment to carry out one or more cellulose processing steps.

操作和监视筛分设备，漂白设备，沼气池，搅拌罐，垫圈及其他浆粕加工机械和设备，开展一个或多个纤维素处理步骤。

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These indications shall not be placed on screws, removable washers or other parts which can be removed when conductors are being connected.

这些表示符号不应放在螺钉、可取下的垫圈或在连接导线时能被取下的其他部件上。

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Lead or annealed copper washers are most often used in fluorine and other reactive fluoride service.

铅或退火铜垫圈最经常用于氟和其它活泼氟化物设施。

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For example, brass washers and other non-ferrous metals are placed between the chromoly frame and the stainless steel bolts to slow electrolysis.

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