Japan , and more recently Taiwan , have put most of their effort into specifically designed and constructed units .
While the Japanese have been putting millions , and in recent years billions , of dollars into developing sophisticated techniques to create new habitat and increase seafood production .
Japanese , and more recently Taiwan , have put most of Japanese 's effort into specifically designed and constructed units .
While the Japanese have been putting millions , and in recent years billions , of dollars into developing sophisticated techniques to create new habitat and increase seafood production .