This textbook investigates the fundamental principles of technology and engineering design required for the fourth year of secondary education (ESO). The authors, a team of experienced educators and subject matter experts, utilize a structured pedagogical framework to introduce students to technical drawing, materials science, electronics, and sustainable design. The text serves as a comprehensive guide to bridge theoretical knowledge with practical application in a classroom setting.

Educators frequently utilize this text as a foundational resource for the Spanish secondary curriculum, noting its clear alignment with academic standards. The prose is designed for accessibility, providing students with a logical progression of technical concepts.