Testing kit today for some projects coming up later in the year

Testing kit today, heating system battery on steroids !! If your going to have one, have a big one !!
Testing kit for some projects later in the year

The purpose of the TDI Diver Propulsion Vehicle (DPV) Course is to familiarize divers with the skills, knowledge, planning, organization, procedures, techniques, problems, and hazards of using DPV’s while technical diving. Upon successful completion of the TDI Diver

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