"Source: Freebase - The World's database". . . "Argentum"@en. . "0.305"^^. "6.1"^^. . . . "white"@en. . . . "1/4\" all thread"@en. "16 prestressed tendons"@en. "1\" carbon fiber mesh"@en. "1/2\" steel mesh"@en. "70.6"^^. "914.7"^^. "0.714"^^.