
Technical diving skills can be improved by being familiar with your gear. This will enable you to quickly locate it in the event of a problem. This is a great way to practice using backup equipment. While you shouldn't dive with your backup equipment, you should practice using it when necessary. This will ensure you have a backup set of gear in case something goes wrong.
TDI
Technical divers should be able to use a decompression device. Technical divers need to know how to calculate the decompression stops required for a super multilevel dive.

NAUI
The NAUI technical diver skills course takes 20 hours and teaches advanced diving skills. It also covers advanced rescue, lifesaving, and contingency techniques. For this course to be offered, students need to have advanced certification as a diver or an equivalent. It also requires a minimum age and pre-requisites.
GUE
GUE technical diving skills certification allows you to perform rescue and technical diving operations. These skills include the ability control an unconscious diver underwater. Additionally, divers must be able to demonstrate open water skills. This includes ascent and descend. In addition to being able to swim at least 500 meters (450m) with one breath hold, divers must be proficient in basic equipment and recognize their diving limits.
IANTD
The IANTD Technical Diver program adds a new level of safety to recreational diving. The program teaches students to use rebreathers that have cutting-edge benefits like extended bottom time and better decompression.
DSAT
In the early 2000s, DSAT TecRec was created to teach technical diving skills. These courses have consistently produced highly qualified technical divers. It uses state-of-the art training materials and has a logical, integrated course flow. The modules allow students to learn at their own pace.

PADI
If you love diving and want to get more advanced, you can enroll in a PADI technical diving skills course. PADI Tec courses cover everything from planning your dives to using decompression software. You'll learn how to dive at depths up to 50m (165 feet) with minimal to no decompression time and learn how to use a desk top decompression software program. This course has several levels. The goal is to be a professional technical diver.