OPGAL designs and manufactures infra-red, cooled and uncooled, thermal imaging engines, modules and systems. OPGAL uses infra-red technologies originally developed for military purposes to design cost-effective products for civilian and paramilitary applications and for the upgrade of existing systems. Based in Israel and with almost 20 years of experience, Opgal's products are in service all ...

605616 Why learn to dive with Nick 1. No large groups of 8 people all freezing in the water, waiting their turn for the skills of confined water training. In my course the maximum number of people will be 2 in the confined water. If you are a group of 4 then no problem. 2. Because of small groups, Open Water and Advanced Open Water can be completed in 5 days, however all Padi courses are ...