laser cleaning is a 'green' cleaning method. It does not need to use any chemical agent and cleaning solution. The cleaned waste is basically solid powder. It is small, easy to store and recyclable. It can easily solve the problem of environmental pollution caused by chemical cleaning.
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the traditional cleaning method is often contact cleaning, which has mechanical force on the surface of the cleaned object, damages the surface of the object or the cleaning medium is attached to the surface of the cleaned object, which cannot be removed and produces secondary pollution. The non grinding and non-contact of laser cleaning can solve these problems; Laser cleaning can remove various types of pollutants on the surface of various materials and achieve cleanliness that conventional cleaning cannot achieve. It can also selectively clean the pollutants on the material surface without damaging the material surface.
South Korea's Doosan (ship hangar location) Doosan Infracore has signed a memorandum of understanding with KOGAS and Samjin Shipyard to develop a LNG engine for the small vessel (purchasing the product library).
     It is reported that in recent years, more and more small vessels in Korea are demanding to convert diesel engines (purchasing supply of products) into LNG power. Therefore, the three parties initiated this cooperation to reduce pollutants, greenhouse gas emissions, and modification of ship fuels. Transformation to promote the development of the Korean shipbuilding industry and the offshore industry.
     Yoo Joon-ho, vice president and head of engine business at Doosan Invigo, said that the company will export LNG marine engines in the future. This is an important turning point in the Korean small boat market using diesel engines and will turn to eco-friendly operations.