The agency in turn will send a Certification Card or C-Card to the diver who just passed all the standard requirements imposed by the agency. Another kind of diving job is as a commercial diver. A commercial diver usually works in oil rigs, ships, and other industrial vessels that require underwater jobs, such as welding, cleaning a ships hull, or drilling. It also necessitates maintenance of said gears. You should do it to preserve the good quality of your scuba equipment. Below is a list of some of the basic scuba diving equipment used by the divers: Mask This is the most important equipment in scuba diving. It serves as your eyes underwater. Mask has various features. Costa Rica dive resorts also offer first-class dive boats that you, as a diver, will be comfortable while traveling to the dive site. Costa Rica is relatively new in the diving community and there are lots of potential dive sites that you can explore. Exploration dives are very popular in Costa Rica. You don t want to remember that you forgot your fins when you are already boarding your flight and you certainly don t want to find out that your regulator is malfunctioning as you enter the water for your first dive in Aruba. Also, you should make sure you have a diving insurance, like Divers Alert Network or DAN in order to ensure your safety when diving anywhere in the world. This is because scuba diving resorts all over the world will never allow a person to go diving without certification. You may ask why. The reason for this is because they need to be sure that you know all the things involved in scuba diving and that you are capable of handling problematic situation in case it arises underwater. Certainly, possible scuba diving destinations are found in tour packages of your choice. With scuba diving tour package of your choice, you will have the opportunity to explore the wonders of the sea. Truly, it can be relaxing on your part as you will be able to watch different sea creatures roaming the vast water.