Sentence examples for considered difficult to extract from inspiring English sources

But the gas is considered difficult to extract there, requiring wells as deep as 4,000 meters, or over 13,000 feet.

We studied 18 mechanically ventilated patients considered difficult to wean.

Still, "shale gas was considered technologically difficult to extract but is now produced on a large scale," he said.

"It was very difficult to extract a sketch, which I think was an intentional thing," he said.

Simple, concise messages are difficult to extract from messy, complex data.

'I just thought: that one's for you.' The lows are more difficult to extract.

After all, as resources become scarcer or more difficult to extract, prices rise and demand falls.

Lying hundreds of metres below the sea and deeper still below sediments, fire ice is exceedingly difficult to extract.

Duveen Brothers frequently owed Berenson large sums of money, which Berenson found very difficult to extract from the firm.

PDFs tend to be difficult to extract information from quickly and easily without having to edit the text and images manually.

Because it is difficult to extract and replace a worn-out or defective artificial hip, doctors routinely advise patients to put off hip replacement as long as possible.