After thousands of years of development, the earth's civilization has made very powerful scientific and technological achievements.

But no matter how powerful this technological achievement is, it has no power to fight in the face of the immortal cultivation civilization.

Han Nuo felt that this was because of the lack of good protection capabilities in earth technology.

In fact, this gap had already been discovered when he was not a baby, and the magic weapon of defending only by the strength of the material itself was like paper paste in front of the high-ranking monks.

Thinking that the tanks and fighters he had refined from materials that he thought were hard back then were crushed in the hands of a primordial monk before they even took a turn.

That's what he did for ......

"The Road to Becoming an Immortal in the Mechanical Engineer" Chapter 138 Picking up leaks all the way is being hit by hand, please wait a moment,

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