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Is steel still the best material for building?

science.howstuffworks.com/engineering/structural/steel-best-material-for-building.htm

Steel is getting more expensive because the prices of iron and coal are rising. Are there alternatives to steel that can do the same job -- or better -- for less?

The D-Day Invasion: January 1944-July 1944

history.howstuffworks.com/world-war-ii/d-day-invasion.htm

This World War II timeline highlights key events from January 1944 through July 1944. Follow the events of World War II, including the D-Day invasion.

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