The Marple railway was still a serious bottleneck.

But the authority is also facing serious bottlenecks that range from laboratory capacity to procedural decisions.

The current program classifies the whole carcass as specified risk material, which has quickly shown serious bottlenecks in the system.

Memory allocation with naive allocators can be a serious bottleneck.

This was a serious bottleneck in most parallel designs, which limited their use to certain roles where these interdependancies could be reduced.

Energy is a serious bottleneck for China's economy, which is growing at better than an 8 percent pace this year.

"No serious bottlenecks were reported," the survey reported.

The energy sector is one of the most serious bottlenecks in the North Korean economy.

Beginning in the early 1960s, a series of serious bottlenecks began to impede development.

Experimental techniques for determining tertiary structure have faced serious bottlenecks in their ability to determine structures for particular proteins.