prov:value
| - Non-limiting examples of aggregate are sand, gravel, crushed stone, crushed rock (such as granite, gneiss, limestone, dolomite, marble, shale, slate, or schist), blast furnace slag, combustion slag, heavyweight aggregate (such as barytes, magnetite, limonite, ilmenite, iron or steel), light-weight aggregate (such as expanded clay, sintered clay, shale, slate, diatomaceous slate, perlite, vermiculi
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