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- underwater sport and underwater sciences, and oversees an international system of recreational snorkel and scuba diver training and recognition. It is...45 KB (3,107 words) - 18:48, 4 December 2022
- project how the atmosphere will change at a given place. Once calculated manually based mainly upon changes in barometric pressure, current weather conditions...72 KB (7,430 words) - 12:35, 2 September 2024
- Tobacco harm reduction 101 (section What is the difference between closed system and open system e-cigarettes?)system users cite the convenience of pre-filled tanks compared to open, manual systems. Yes. Other harm reduction products include smokeless tobacco products...52 KB (7,908 words) - 13:57, 5 July 2021
- News (section Global news system)provided through many different media: word of mouth, printing, postal systems, broadcasting, electronic communication, or through the testimony of observers...152 KB (20,987 words) - 10:00, 8 August 2023