Whatever the setting they work in, a fuel engineer shall be answerable for making certain the protection of their work, tools and any gear to guard the security of themselves and other people. http://nafi6.gov.vn/index.php?language=vi&nv=news&nvvithemever=d&nv_redirect=aHR0cDovL3phZGF5LXZvcHJvcy5ydS91c2VyL3JlZ3JldGNoZWNrNzY