24(*) Remotely Operated VehicleWater is both a blessing from the earth and a source of life for humans. Tequanauts, a group of professionals specialized in Aqua-Engineering, seeks to integrate wisdom and skills to help protect our water supply.The company’s business scope covers every aspect of water, from installation and removal of aquatic structures by work performed underwater to the manufacture and maintenance of control facilities for dams, marinas, and other structures. Through activities that protect water, we’re committed to the preservation and creation of an optimal water environment that will allow humans to live comfortably, safely, and securely.Promoting DX for underwater operationsUnderwater operations are difficult and fraught with hazards; thus, we promote the improvement in feasibility and safety of this kind of work by utilizing DX (digital transformation).We are actively promoting the development and introduction of high-performance ROV (*) robots, such as for real-time distribution of underwater conditions using diver cameras, interactive communication, and remote site observation systems.Chichi-jima and Haha-jima islands in the Ogasawara Islands are located some 1,000 km south of mainland Japan.For half a century the company has been involved in the creation of the livelihoods of Chichi-jima and Haha-jima’s infrastructure that supports the approximately 2,600 residents. We support the lives of the islanders and industries and create comfortable living environments. As about one-third of Japan’s exclusive economic zone is located around the Ogasawara islands, we believe the support we provide is directly linked to protecting Japan’s rights and national interests.Chichi-jima and Haha-jima islands are home to many unique and endemic species, forming a unique island ecosystem. The islands were registered as World Natural Heritage sites in June 2011. However, human movement between the islands and the mainland of Japan, the development of agricultural land and tree planting, and other trends have introduced invasive species that imperil this indigenous ecosystem. To protect the rare and valuable natural environment, we have built fences to keep out invasive species and to protect the biodiversity of the remote islands. Our efforts here mark a step forward in the natural history of the Ogasawara islands.Tequanauts Co., Ltd.Sugita Construction CorporationDeveloping the future with water technologyHelping to safeguard Japan’s exclusive economic zoneProtecting natureControlling aquatic ecologyWater quality can be impaired by lack of oxygen in the water, a state caused by the proliferation of aquatic weeds or exotic plants in irrigation channels, dams, lakes, and ponds enriched by global warming and by nutrients origination from domestic or industrial wastewater. Our activities maintain and enhance water quality to allow native aquatic plants to flourish and to restore the original water environment. Working from a waterweed cutting boat we developed, Weed Hunter, we work to preserve the water quality environment and protect the ecosystems that rely on water.
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