September 2021 issue of Marine News

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• HVAC: Three Challenges to Challenge Engineers Page: 30
• Prefabrication of Federal Shipbuilding Project Funding Page: 20
• Expect the Unexpected on the Inland Waterways Page: 24
• The Case for Stock Boats Page: 22
• Interview: Joey D’Isernia, President, Eastern Shipbuilding Page: 14
• Tech File: Automated Welding Solutions Page: 36
• Ferries V2.0. Post COVID Opportunities Page: 12