Vật liệu thiết bị xử lý thường là bảo vệ trong quá trình sản xuất, và phải được vận hành một cách an toàn. Theo Viện Quốc gia An toàn và Y tế (NIOSH) quốc gia do chấn thương nghề nghiệp tử vong (NTOF) dữ liệu từ năm 1980 đến 1998 chấn thương nghề nghiệp từ máy móc được xếp hạng thứ ba sau khi động cơ xe và giết người là nguyên nhân tử vong. Tử vong từ những sự cố liên quan đến máy chiếm khoảng 13% của tổng số. Ngành công nghiệp dịch vụ đã không được xếp. | 18 Machine Safety Material handling equipment is usually guarded during manufacturing and must be operated safely. According to National Institute for Occupational Safety and Health s NIOSH National Traumatic Occupational Fatality NTOF data from 1980 to 1998 occupational injury from machinery was ranked third after motor vehicle and homicide as causes of death. Fatalities from machine-related incidents accounted for approximately 13 of the total. The service industry did not rank among the highest sectors having machine-related incidents. Some of the leading injuries experienced in these industries were as follows struck by or against an object caught in or compressed by equipment and caught in or crushed in collapsing materials. According to the Bureau of Labor Statistics BLS 92 560 private-sector losttime injuries during the year 2002 were caused by machinery. The median number of lost workdays resulting from these injuries was 7 with 24 of the total incidents resulting in 31 or more lost workdays. The type of machine source most often identified included metal woodworking and special materials machineries 19 269 injuries material handling machinery 16 183 injuries special process machinery 15 576 injuries heating cooling and cleaning machineries 13 330 injuries unspecified machinery 6148 injuries and construction logging and mining machineries 6069 injuries . Machinery was identified as the primary source of fatal occupational injuries in 483 of 5915 total fatalities during 2002. The safe operation of all types of equipment takes a variety of approaches since the manufacturer cannot always be depended upon to provide inherently 2008 by Taylor Francis Group LLC. safe machines. It is often up to the owner employer to ensure that the machine equipment is as safe as possible for their employees to operate. This may require that specific redesign of safeguards unique training and safe operating procedures SOPs be developed. GUARDING Although a more detailed .