It results that the tool sleeve adopting new process technology is characterized by high precision, good quality, steel saving and high efficiency, meanwhile, it reduces the labor intensity.

生产实践表明，采用新工艺加工工具套，精度高，质量好，节约钢材，提高了生产效率，减轻了劳动强度。

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The invention has the advantages of high production efficiency, simple application method, time saving and labor saving, omits repetitive work, and does not require high level of technology.

本发明生产效率高，免去重复的工作，且使用方法简单，不需高的技术水平，省时省力。

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We can always support jobs by protecting inefficiencies, such as import protection or prohibiting labor-saving technology.

FORBES: The FCC, Jobs And Rainbow Stew

Ironically, such productivity gains that improve the lot of workers are based on acceptance of new technology, including labor-saving technology.

FORBES: Jobs and Public Policy

Think of all the farm jobs lost to tractors and other farm equipment, and all the factory jobs lost to labor-saving technology, equipment, and computers.

FORBES: Jobs and Public Policy