"A road roller (sometimes called a roller-compactor, or just roller) is a compactor-type engineering vehicle used to compact soil, gravel, concrete, or asphalt in the construction ...
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of roads and foundations. Similar rollers are used also at landfills or in agriculture.
Road rollers are frequently referred to as steamrollers, regardless of their method of propulsion." - (en.wikipedia.org 13.05.2021)