Porpoise (scuba gear) Porpoise (scuba gear) Porpoise is a tradename for scuba developed by Ted Eldred in Australia and made there from the late 1940s onwards. The first Porpoise was a closed circuit oxygen rebreather, and the following models were all single hose open circuit regulators. This rebreather was developed by Ted Eldred in the late 1940s and early 1950s. Some were made and used for sport diving, but they did not go into full production. It was worn on the back without a casing. The bag was between the canister and valve assembly and the diver's back. It had two wide breathing
Ilya Espino de Marotta (INCAE). The Project Management Institute certified her as "Project Manager" in 2007. She is also certified as a licensed public translator. Marotta says that her fascination with the water was due in part to her fascination with scuba diving and the work of Jacques Cousteau who was an explorer of the ocean and also pioneered the aqualung. Marotta has worked for the Panama Canal Authority since 1985, where her first role was in the repair workshop on the canal in Colón. She began working as a valuation engineer for the Canal Accounting Division in 1994. In 1998, she became the