"They are producing such dissatisfaction and enormous strains on society," he said.

The school has its own experimental farm, and has produced special strains of rice for the commune.

It is also likely that a veto would produce severe strains in the relationship between Edinburgh and London.

Dislocation glide is the main process but cannot act on its own to produce large strains due to the effects of strain-hardening.

But even if one did work when first applied, as its level of concentration dropped, bacteria could produce strains that resist it.

This makes pigs a host where influenza viruses might exchange genes, producing new and dangerous strains.

In smaller ways, the ambiguous status of Israeli Arabs produces other strains.

The city's growth, however, has produced certain strains.

But it produced great social strains and income gaps.

Nigeria's 1983 economic austerity campaign produced strains with neighboring states, including Chad.