Are there any books, websites, or apps that focus on contemporary English usage

Sep 14, 2019 ... IAD and AFF are both certified methods of training progression approved by the United States Parachute Association to help you learn to skydive solo. Mar 29, 2023 ... AFF, or Accelerated Freefall, is a common and efficient method of progression for those looking for skydiving lessons. Feb 1, 2006 ... We designed a new file format for our forensic work. Called the Advanced Forensics Format (AFF), this format is both open and extensible. Nov 5, 2021 ... Be the first to learn about upcoming specials and events. Plus receive priority access to new tutorials, articles, podcasts, and more! Mar 16, 2023 ... Accelerated Freefall is a step-by-step program where students learn essential skills to prepare them to skydive competently and safely. Learn to skydive - The 8-levels of your AFF skydiving course · AFF Level 1 - Your first skydive! · AFF Level 2 - Refine your body position · AFF Level 3 - ... AFF grease uses high-grade synthetic oil as its base and a lithium-based grease as its consistency enhancer, while also featuring special additives. This gives ... This page is about the various possible meanings of the acronym, abbreviation, shorthand or slang term: AFF. Statement: AFF Applauds Passage of Comprehensive Disaster Relief Package. The American Forest Foundation applauds the Congress for passing and the Biden ... AFF is an online government application that automatically tracks the location and velocity of specially-equipped aircraft and mobile assets.