Sentence examples for toughening flight from inspiring English sources

The aviation agency, the Directorate General of Civil Aviation, says it is toughening flight safety rules.

The feather shaft displays a distinct shape factor, hierarchical fibrous structure within the cortex, and a solid shell-over-foam design, which enables synergistic stiffening and toughening with exceptional lightness to fulfill flight.

The US has repeatedly accused Russia of fuelling separatist sentiment in eastern Ukraine and has toughened its rhetoric since flight MH17 was downed.

Toughening the drug rules.

What about toughening them up?

Are women toughening up as a result?

Penalties for wage-law violations need toughening.

Second, mechanism is the transformation toughening effect.

This is the transformation toughening effect [34].

Additionally, crack deflection toughening by ZrO2 particles also contributes to toughening of the composite.

The mechanism of toughening was elucidated.