[[Sweden]]'s production of superior grades of [[iron]] made it a leader in this field in the 17th and 18th centuries. The Engelsberg Ironworks site is the best-preserved and most complete example of this type of Swedish [[Ironworking|ironworks]].<ref>http://whc.unesco.org/en/list/556</ref>
+
[[Sweden]]'s production of superior grades of [[iron]] made it a leader in this field in the 17th and 18th centuries. The '''Engelsberg Ironworks''' site is the best-preserved and most complete example of this type of Swedish [[Ironworking|ironworks]].<ref>http://whc.unesco.org/en/list/556</ref>