Use of metals in construction began in the 1700s with the use of iron columns within walls. Iron beams and columns became a common feature in large industrial buildings over the years. Ever since Sir Henry Basserner invented steel in […]
Use of metals in construction began in the 1700s with the use of iron columns within walls. Iron beams and columns became a common feature in large industrial buildings over the years. Ever since Sir Henry Basserner invented steel in […]