A permit-to-work system is a formal recorded process used to control work which is identified as potentially hazardous. It is also a means of communication between site/installation management, plant supervisors and operators and those who carry out the hazardous work.
Aisha, A (2019). PERMIT TO WORK SYSTEMS. Afribary.com: Retrieved January 26, 2020, from https://afribary.com/works/permit-to-work-systems
Abu, Aisha. "PERMIT TO WORK SYSTEMS" Afribary.com. Afribary.com, 28 Oct. 2019, https://afribary.com/works/permit-to-work-systems . Accessed 26 Jan. 2020.
Abu, Aisha. "PERMIT TO WORK SYSTEMS". Afribary.com, Afribary.com, 28 Oct. 2019. Web. 26 Jan. 2020. < https://afribary.com/works/permit-to-work-systems >.
Abu, Aisha. "PERMIT TO WORK SYSTEMS" Afribary.com (2019). Accessed January 26, 2020. https://afribary.com/works/permit-to-work-systems