The (often searched for in PDF format) is a fundamental resource for students in the Scientific-Technical track. Following the implementation of the LOMLOE educational reform, this subject has been renamed in the official curriculum to Tecnología e Ingeniería I .

: Laws of the market, product commercialization, and marketing.

While many users look for a free "PDF download," it is important to note that the official digital version is managed through secure platforms to protect copyright.

: Detailed study of technical properties, metals , plastics, and fibers.

: Elements of transmission and transformation of movement, and machine maintenance.

: Transformation, transport, distribution, and environmental impact of energy consumption.