Sentence examples for costly Mines from inspiring English sources

"They're trying to increase production, but that means deeper mines and more costly mines to operate".

That follows a pattern that Homestake has used for the last decade as it tried to transform itself from a high-cost operation to a more tightly run, highly automated outfit with stakes in newer, more profitable and less costly mines outside North America.

But recent blast tests show that Humvees built with the new chimney could provide as much protection as some of the heavier, and more costly, mine-resistant vehicles that have replaced them in many uses.

Such an approach to ARD prediction would support more accurate and cost-effective waste management during operation, and ultimately less costly mine closure outcomes.

But this isn't the most convincing of starts to his second term, especially with South Africa mired in the longest and costliest mining strike in the country's history, and the economy dipping towards recession.

AngloGold bid A$3.2 billion ($1.7 billion) for Australia's largest gold producer, Normandy, in September, as part of its efforts to move production away from South Africa's costly deep mines to cheaper open-cast ones.

Meanwhile the Central Appalachian coal seams that remain to be mined are becoming thinner and more costly to mine.

The salt bed was 100 feet thick at a depth of 1300 feet below the surface, but it proved too costly to mine conventionally because of continual flooding, and mining was abandoned.

Though the coal was becoming too costly to mine, Saarland upgraded old industries like steel and ventured into new fields, such as information technology.

They're costly to "mine", in infinite supply, and even have use-value (e.g. cryptography).

Beyond the limited data, many of these asteroids are far away and in undesirable orbits that would make them particularly difficult and costly to mine.