dc.description.abstract | Occupational safety and health (OSH) disruption risk in timber harvesting activities is very high. One of the timber harvesting activities is activities in the lumberyard. This is occurs because the work environment condition are not in accordance with government regulations, and basic competence (knowledge) of workers and administrators (the employer) is still relatively low. So it requires a strategy to increase their knowledge with low cost, interesting, and usefull everytime, so it can use in traditional activities in the lumberyard condition in Jepara which is small business units. One of solution is using safety game which is an instrument that used to increase workers and administrators knowledge that created by Dr. Efi Yuliati Yovi, S.Hut, M.Life.Env.Sc. The enhancement of their knowledge about OSH after use the safety game at 1 replications were 14% during ±45 minutes and 3 replications were 33% during ±140 minutes. | en |