The MiG-29K modifications included arrestor gear and stronger landing gear for carrier landings, folding wings and rust proofing to reduce corrosion from all that salt water.
The article seeing about the important carrier of salt industry -guildhall in Zi gong through the research of history evolving of Zi gong's salt industry and one's own historical evolution.
本文通过对自贡自身历史沿革及其盐业历史文化演变的把握，考察了自贡会馆建筑这个盐业文化的重要载体。
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Brass is frequently used as evaporator in buiding pool of cold salt solution and of cool carrier agent. It is also used as pipe materials for seawater condenser on boats and vessels.