Unifying the twins tub and case is great progress in the washing machine design. It makes the machine cost come down, volume narrow, safety improve.

箱体与连体桶一壁化是洗衣机设计上的重大突破，使洗衣机在同等功能下成本降低，体积缩小，安全性能提高。

youdao

He said the company could have the machine without cost if John Henry was faster.

VOA: special.2009.02.21

How much will this fast and flexible flying machine cost?

ENGADGET: South Korea creates speedy new UAV, gives it VTOL capabilities to boot

Logic would tell me that it created fewer jobs than it replaced, otherwise the cost of the machine would exceed the cost of the attendants and not be a good investment for the parking lot owner.

FORBES: For Small American Manufacturers, U.S. Isn't Big Enough Anymore

In addition, the tech advances made control systems less expensive and sophisticated controls became available in machine tools that cost tens of thousands instead of millions.

FORBES: 5 Ways The Industrial Internet Will Change Manufacturing