In order to cope with strengthened marine environmental regulations and to reduce fuel consumption. recently constructed vessels are equipped with an ultra-long stroke engine and apply engine de-rating technology. This was intended to improve propulsion efficiency by adopting a larger diameter propeller turning at a lower speed but also results in a significant increase in the torsion... https://www.infonoticiasgandia.com/product-category/lab-coats-coveralls-gowns-2/