Marine craft tend to be highly polluting in both the use of fuel and the consequent emissions compared to other forms of transport where fuel efficiency has seen many advances - the efficiency of the drivetrain of water born vessels remains at a level which has seen few step-changes. One particular innovation was in the field of Contra-rotating propulsion. Fully enclosed oil lubricated lineshafts.

This summer has been an incredible adventure, meeting Sealogical users in Charleston, New York. This is a good little graphic from zizoo.

This site is marked private by its owner. If you already have both of these, great! Larr; Tagasi lehele WordPress.

Prototaph Interactive provides website development, design and implementation, marrying best-in-class web technologies with high-value creative, consulting and support services. Our customers enjoy one-stop shopping with flexible deployment and budget options, resulting in successful website projects that promote business, power communication and provide enduring value. Our services and our portfolio. Use contingent upon our Terms of Service.