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Construction industry is key to the world economies in both developed and developing nations. However, construction works could bring hazards such as silica dust and chemical irritants to site personnel. Silica dust and chemical irritants are produced from activities such as demolition, drilling,...

The Hazard Analysis Critical Control Point (HACCP) concept was applied for the first time to four Zambian cattle slaughterhouses to study slaughterhouse hygiene and bacterial contamination of carcasses. Swabs were collected from carcass surfaces and also from the following environmental surfaces,...