This popular book covers all of the externally examined Component 3 of the Level 1/2 BTEC Tech Award for the current specification and the new specification for first examination in 2024. It provides comprehensive yet concise coverage of the component through case studies and questioning. It will be invaluable both as a course text and as a revision guide for students nearing the end of their course. It is divided into four sections covering every element of the Component 3 specification.