This document discusses different educational technologies used by the author. It describes blackboards which are used for lectures and discussions, manila paper which is commonly used by students for reports due to its low cost but thin quality, and cartolina which is thicker than manila paper but more expensive. Other tools mentioned include markers for writing on papers and whiteboards, ballpoint pens, pencils, whiteboards, PowerPoint presentations to engage students, and projectors to efficiently discuss lessons for all students to see.