“Invented in the 520 late 1970’s by Alan You “Ollie” Gelfand, the In the text do Ollie has become a (direct) (TTT) skateboarding In my head fundamental, the (inference) basis for many other more complicated tricks.”
520 You do (TTT) In the text (direct) In my head (inference) “Invented in the late 1970’s by Alan “Ollie” Gelfand, the Ollie has become a skateboarding fundamental, the basis for many other more complicated tricks.”
skateboard_science_mi_planner.docx