5 sentences with “tar”

These micro-organisms reproduce in large numbers and then differentiate themselves according to their preferred food: tar, phenol or a particular heavy metal.

North Carolina continued to produce ship's goods, especially turpentine and tar, and its population increased as Virginians moved there to expand their tobacco farms.

Hard coal is extracted from mines and is used not only as a fuel but also as a source of many products such as gas, coke (also known as coal coke), tar, ammonia and so on.

For example, if the main contaminant is derived from tar, a substance that dissolves the tar is added to the crop to make it more digestible for the micro-organisms, then the mixture is spread on the soil and the soil is ploughed, explains Forrest.

The natural gas has displaced the vegetation and these soils, which once produced energy, are now deeply saturated with tar, phenol, cyanide and a large quantity of heavy metals; these endanger the lives not only of the neighbours, but threaten to infiltrate the groundwater table, which would be a real ecological disaster.