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Industrial Safety and Health for Goods and Materials Services - Chapter 15

Khi chúng ta nghĩ về dụng cụ cầm tay, chúng ta thường nghĩ rằng búa, tua vít, kìm, nhưng một bàn chải đánh răng, một cái muỗng, một cây bút, kéo dụng cụ cầm tay. Họ là những ví dụ của các công cụ được sử dụng để tập trung lực lượng và giúp đỡ để thực hiện một loạt các nhiệm vụ. Đối với hầu hết chúng ta, dụng cụ cầm tay các công cụ nonpowered và bao gồm đục, handsaws, wrenches, xẻng, và dao. Nhiều vết thương có thể kết quả khi sử dụng dụng cụ cầm tay. | 15 Hand Tools A variety of hand tools are necessary for day-to-day general maintenance. When we think about hand tools we normally think of hammers screwdrivers or pliers but a toothbrush a spoon a pen scissors are also hand tools. They are examples of tools that are used to concentrate force and help to carry out a variety of tasks. For most of us hand tools are nonpowered tools and include chisels handsaws wrenches shovels and knives. Many injuries can result when using hand tools including cuts lacerations eye injuries overuse ergonomic related injuries and at times slips trips and falls. In most instances these injuries occur due to the incorrect use use of the wrong tool or improper maintenance of tools. Approximately 8 of all industrial accidents are caused by hand tools. The Mine Health and Safety Administration found that one out of every four accidents was due to hand tools. Some examples of hand tool accidents are as follows Using a screwdriver as a chisel may cause the tip of the screwdriver to break off and fly hitting the user or other employees. If a wooden handle on a tool such as a hammer or ax is loose splintered or cracked the head of the tool may fly off and strike the user or another worker. A wrench must not be used if its jaws are sprung because it might slip. Impact tools such as chisels wedges or drift pins are unsafe if they have mushroomed heads that might shatter on impact sending sharp fragments flying Figure 15.1 . 2008 by Taylor Francis Group LLC. Poor condition Dressed Spread Mushroomed FIGURE 15.1 From safe to unsafe chisels. Courtesy of the Department of Energy. The employer is responsible for the safe condition of tools and equipment used by employees even personal tools if being used in the workplace. The employer should not issue or permit the use of unsafe hand tools. Damages or broken hand tools should be removed from service and a tag placed on them saying Do Not Use or Removed from Service if the tools are not thrown away. .