At first we used hand tools. Later we had machines.

开始我们用手工工具，后来我们有了机器。

youdao

In the beginning, we sued hand tools, Later we had machines.

起初，我们用手工工具，后来我们用机器。

youdao

He said that in 1999 and 2000 Iraqi front companies had tried to buy a factory that produces magnets used in the process, and that Iraq had later sought machines that balance the gas-centrifuge rotors.

ECONOMIST: Dealing with Iraq

The IAEA later sent a letter to member states saying Iran had informed the agency of its plans to use the improved machines at its fuel enrichment plant in Natanz, according to a document seen by Reuters.

BBC: Natanz uranium enrichment plant