These units were chosen because these groups of workers are constantly exposed to all short of hazards in the workplace in the organization. In addition, all workers who take more than 50 per cent of their working time in these processes units will beconsidered as respondents. The sampling size was 300 respondents. This makes the confidence interval of 95 per cent. A written consent from each worker is obtained before each respondent answers the questionnaires. Table1 shows the total number of respondents which had been assigned to fill up the study questionnaires.