“…• Investigation of accidents (Adams, Barlow, & Hiddlestone, 1981;Carter & Menckel, 1987; • Internal safety inspections and safety analyses (Chew, 1988;Hämäläinen, 1994;Smith, Cohen, Cohen, & Cleveland, 1978) • Analysis of production disruptions (Hakala, 1989;Saari, 1977;Tallberg, Lepistö, Mattila, & Vuori, 1992;Occupational deaths 1985Occupational deaths -1993Occupational deaths , 1995 • Design (Hakala, 1989;Saarela, Salminen, Räsänen, & Saari, 1992;Saari, 1977) • Safety rules and signs (Chew, 1988;Laner & Sell, 1960;Saarela, Aaltonen, Seppälä, Saari, & Salminen, 1986;Simonds & Shafai-Sahrai, 1977) • Safety indoctrination and safety training (Luskin, Somers, Wooding, & Levenstein, 1992;Michaels, Zoloth, Bernstein, Kass, & Schrier, 1992;Robins, Hugentobler, Kaminski, & Klitzman, 1990;Robins & Klitzman, 1988) • Supervision (Chew, 1988;Mattila, Hyttinen, & Rantanen, 1994;Petersen, 1984) • Safety of the work environment (Näsänen & Saari, 1986;Springfeldt, 1993;Suokas, 1993;Varonen, 1995Varonen, , 1997 When certain types of safety campaigns have been implemented, accident rates have often decreased clearly (Komaki, Heinzmann, & Lawson, 1980;Krause, Hidley, & Lareau, 1984;Näsänen & Saari, 1986). In such campaigns, safe working methods have been defined and the employees have been instructed in their use.…”