This video presents the potential hazards and the correct use of, angle grinders, jack-hammers, circular saws, and power drills. Using examples and commentary from a Master Builder, a practical guide of how to use each power tool is demonstrated and explained. Units of Competency: CPCCOHS1001A - Work safely in the construction industry. CPCPCM2043A - Carry out WHS requirements. Warning: this program contains graphic imagery that some viewers may find disturbing.