Diamond and Glass disks have been known for many uses such as memory storage. The multiple uses go beyond multi-dimensional storage hard drives. These disks are used for cleaning the transportation necessary for aqua and underwater travel.
Sea travel stands as a staple for futuristic exploration. The need for boating licenses and maintenance/cleaning expertise grow in importance.
Knowing the tools and chemicals safe for the environment, along with utilizing proper eco friendly technology, is just as vital as knowing the location one travels to. Different environments may require different technologies, tools, or cleaning or fuel chemicals to prevent offsetting the balance of the habitat.