Singapore's Confined Space Work Permit System. Confined Space Entrants, Confined Space Attendants, and Confined Space Safety Assessors are among the personnel who must complete particular and authorized training programs in order to operate in confined spaces. These courses give students the skills they need to recognize risks, comprehend the permit-to-work system, operate gas detecti... https://exigasoftware.com.sg/confined-space-work-permit-system/