锁匠修理，安装和调整锁，制作钥匙并改变锁的组合。
Locksmiths repair, install and adjust locks, make keys and change lock combinations.
在设备制作阶段和外国的设备供应商一同进行设计评估。并协助设备的现场验证和安装。
Take part in the design review during equipment fabrication phase and assist the on-site validation and installation of extrusion equipment.
这种装置叫做“便携式通用轻型堵漏包”（其英文缩略语为PLUG，正好有塞子的意思）。 它是由聚酯纤维和聚氯乙烯制作的圆柱形气球，并安装了发动机带动的水泵。
The Portable Lightweight Ubiquitous Gasket (PLUG) is a sausage-shaped balloon made of polyester and PVC, and fitted with motorised pumps.
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