This is a brand new book covering all of the externally examined Component 3 of the Level 1/2 BTEC Tech Award. 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 six sections covering every element of the Component 3 specification. Learning Aims A to D are each covered in a separate section