Background and Objective: Steel industries are among the most dangerous industries. Nowadays. risk assessment is of great importance in order to control them to maintain the health of the workforce. Decision matrix risk-assessment technique is a systematic approach widely used in the Occupational Health and Safety risk assessment. https://ddqandysyfhi10.timeblog.net/70683102/an-inexact-multiple-recourse-hybrid-fuel-management-model-with-considering-carbon-reduction-requirement-for-a-biofuel-penetrated-heating-system