Sentence examples for is very difficult to replace from inspiring English sources

Unfortunately, and despite recent clinical advances, the airway is very difficult to replace because, ideally, the scaffold should be able to: provide adequate dynamics for voice production, sphincter action, and structural support to maintain airway patency; be airtight, completely biocompatible and not evoke immune reaction; rapidly epithelialized; and readily available and easy to implant.

One of the most difficult regions of the face to reconstruct after avulsion is the oral region, specifically the lips, due to the complex natural architecture of the lost tissue (compromising skin, oral mucosa and muscle tissue) that is very difficult to replace.

It is very difficult to replace or recharge the battery after the node has been exhausted.

"It is not a problem, but Shaw is the line-up player and it is very difficult to replace him when he is in such a good shape," the Dutchman said.

When you retire, that's very difficult to replace.

"He will be very difficult to replace," Mr. Wilson said.

And the birds would be very difficult to replace.

I had only troubles because of such measures, as it was very difficult to replace workers.

"He's a top-of-the-rotation guy who would be very difficult to replace.

"He had multiple responsibilities in the organisation and will be very difficult to replace".

It has many problems and it's very difficult to replace or fix.