Sometimes called, molecular manufacturing is a branch of engineering that deals with the design and manufacture of extremely small electronic circuits and mechanical devices built at the molecular level of matter. Nanotechnology is also being applied to or developed for application to a variety of industrial and purification processes. Purification and environmental clean-up applications include the desalination of water, water filtration, wastewater treatment, groundwater treatment, and other Nano remediation. The global market for nanotechnology dots was estimated to generate $121.0 million in revenues in 2013. This market is expected to reach about $1.1 billion in 2016 and about $3.1 billion by 2018, at a compound annual growth rate (CAGR) of 90.8% for the five-year period, 2013 to 2018.