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Structural steel construction: Ironworker groundman loops sling around complex fabricated structural steel section, hooks sling to erection crane line hook, and helps guide beam as it is raised for structural steel frame in construction of YMCA, Ann Arbor, 2004
Structural steel construction: Ironworker groundman loops sling around complex fabricated structural steel section, hooks sling to erection crane line hook, and helps guide beam as it is raised for structural steel frame in construction of YMCA, Ann Arbor, 2004
Original size: 1590px x 1058px |
Current: 600px x 399px |