In the exclusive economic zone, the coastal State shall have the exclusive right to construct and to authorize and regulate the construction, operation and use of: (a) artificial islands; (b) installations and structures for the purposes provided for in article 56 and other economic purposes;
Infrasound may also be used for long-distance communication in African elephants. These calls range from 15â35 Hz and can be as loud as 117 dB, allowing communication for many kilometres, with a possible maximum range of around 10 km (6 mi).
It first was used in the treatment of rheumatoid arthritis, and was the first biological agent used in the treatment of IBD. It is also used in the treatment of psoriasis and ankylosing spondylitis. Infliximab has shown significant success in treating Crohn's disease.