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).
Patellar tendon straps, or infrapatellar straps, have been long used to decrease pain and patellar tendon strain in individuals with patellar tendonitis. However, the exact mechanism behind why patellar tendon straps work has been unclear, despite much anecdotal reports of their effectiveness.