锅炉工及相关设备的装配工和金属结构制造者的行业认证(非建造业)是可用的，而在魁北克省是自愿考取。
Trade certification for boiler and related equipment assemblers and structural metal fabricators (non-construction) is available, but voluntary, in Quebec.
从设备结构和操作使用两方面，分析了某石化装置中火管式废热锅炉的损坏原因。介绍了该锅炉的修复过程及修复时应注意的事项。
The failure reason of firetube waste heat boiler in a petrochemical device was analyzed from equipment structure and operation. The repair process and attentive events were introduced.
卷板机是一种将金属板料弯卷成筒体、锥体、曲面体或其他形体的一种专用锻压机械设备，广泛用于锅炉、造船、化工、金属结构及机械制造行业。
Roll Machine can bend metal plate to a special shape, such as column, cone, camber and so on, which is widely applied to boiler manufacture, shipbuilding, chemical industry and machine manufacture.
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