1. Chainsaw: Used for cutting trees and other large wooden objects. Dangerous due to its sharp blade and high speed. Protective eyewear, hearing protection, and body protection are essential.2. Jackhammer: Used for breaking up concrete, stone, and other hard materials. Dangerous due to strong vibrations and potential impact. Hearing protection is necessary, and proper technique is crucial.3. Welding Torch: Used for welding metals. Dangerous due to intense heat and light, which can cause burns and eye damage. A welding mask and skin protection are essential.4. Chemical Sprayer: Used for spraying pesticides and other chemicals. Dangerous due to toxic chemicals that can harm health. Protective clothing, eyewear, and respiratory protection are necessary. Follow instructions carefully.5. Power Drill: Used for drilling holes in various materials. Dangerous due to the sharp drill bit and high rotational speed. Proper grip and eye protection are essential.