Page 45: of Marine News Magazine (July 2018)
Propulsion Technology
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SPECIAL REPORT: WORKBOAT REPAIR or sand lodged between them, it pre- lar concern to potential inland buyers, protection system ThorShield. As a re- vented the circulation of lubricating Thordon seals typically last the same sult, the John G. Munson became the oil, resulting in increased friction and in both salt and fresh water, as they are
