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Optimized Tug-Barge System Designs by Robert Allan Ltd.
by David R. Connand Robert G. Allan, P.Eng.
Some veteran Mississippi pushboats and barges have been
One of the largest Italian tug owners, Fratelli Neri S.p.A, ordered its first Damen tug, an ASD 3212, on 21 July 2015.
The vessel will be the first ASD tug
Shell Oil's icebreaker MSV Fennica weaved through nine remaining protesters hanging from the St. Johns Bridge and made its way toward the Pacific Ocean.