Rust on steels can be removed by first grit blasting the surface and then using a wire brush to remove any embedded grit.
2.
Decontamination will take place using vacuum cleaners with HEPA filters, grit blasting ( for steel elements ), and diamond wire cutting.
3.
Fuel efficiency was further improved by grit blasting the underwater parts to minimize hull roughness and installing wake-equalising ducts and a rudder bulb.
4.
It has a large shipbuilding hall, three block fabrication areas, three shipbuilding berths, two dry docks, a well equipped machine shop and a large grit blasting and painting facility with modern machinery for paint application under controlled environment as per international standards.
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