Sentence examples for mining of metal from inspiring English sources

Selenium also comes into environment through sewage sludge, fly ash from coal-fired power plants, oil refineries, and mining of metal ores (Hamilton 2004; Lemly 1997).

Therefore, biomass grazed by livestock, used crop residues, and waste rock removed from the lithosphere during mining of metal ores are also included.

Mining of metal ores, manufacture of industrial chemicals, chemical products, plastic products and electrical machinery, iron and steel and non-ferrous metal basic industries and construction have all been assigned high exposures for inorganic lead.

While the mining of metals has ceased since German unification, some production of potash continues in Zielitz.

The game, called Phone Story, followed the life cycle of a smartphone, from the mining of metals in Africa that are needed for the chips in the phones, to factories in China, where the devices are manufactured.

Value of image 9. 2030: Synthetic materials have drastically reduced the global need for the mining of metals (e.g. gold, iron, copper).

66.1 % −9.2 30 3.6 3.2 9 Synthetic materials have drastically reduced the global need for the mining of metals 41.8 % −14.6 17.5 3.6 3.6 10 High performance materials are made completely out of recycled substances.

Then you have to consider the manufacturing, which often requires the mining of metals and use of hazardous chemicals".

Cadmium is a highly toxic heavy metal, and mining of these metals causes various environmental hazards [4].

Dummy land mines made of metal soup plates were actually deployed in some places.

By the late 12th century the metal mines were brought under the control of the Crown; operation of the tin mines was devolved to the Lord Warden of the Stannaries, and mining of other metals was directly controlled by the Crown as Mines Royal.