Trimix is a breathing gas, consisting of oxygen, helium and nitrogen. Advanced trimix is typically bounded by hypoxic mixtures (less than 17% oxygen).
The shipwreck diving platform is a combination of two elements: the down line system and the free floating deco station. It requires four people to easily deploy these two apparatus. Surface Support, Safety & Expedition Divers will all help deploy these tools. To setup the down line system, the first thing you need to do is hook the wreck. [...]