He did this because the level of technology at the time was not good enough.

Before long, their level of technology was more advanced than most known on Earth.

Given our current level of technology, there would be nothing we could do to prevent an impact.

New California's level of technology was high, its military products were in great demand.

The level of technology used in manufacturing cars is very high.

Apparently a significant loss in the level of technology has also occurred.

This is what it takes to preserve a very high level of technology.

The low level of technology made production difficult and labor intensive.

You've seen the low level of technology all around us.