Carbon nanotubes and water (D)

In this activity you will have to complete a crossword based on the linked article on water treatments with carbon nanotubes.
Reference: Liu, X., Wang, M., Zhang, S., Pan, B. (2013). Application potential of carbon nanotubes in water treatment: a review. Journal of Environmental Sciences, 25(7), 1263-1280. https://doi.org/10.1016/S1001-0742(12)60161-2