Describe the five major phases of a product life cycle. Give examples of safety activities appropriate to each. Solution Five major phases of a product life cycle are explained as below- Introduction Stage: 2. Growth Stage: 3. Expansion Stage: 4. Maturity Stage: 5. Decline Stage: Product Life Cycle Examples Watching recorded television and the various stages of each method: Introduction – 3D TVs Growth – Blue ray discs/DVR Maturity – DVD Decline – Video cassette.