More like this
98% · NOOPEN.WMF
97% · NOCLOSE.WMF
96% · CLOSVALV.WMF
89% · NOOPEN.WMF
86% · NOOPERTE.WMF
85% · SIGN019.WMF
85% · HANDOFF2.WMF
84% · NOENTER.WMF
83% · DONTOPER.WMF
83% · NOOPERT4.WMF
83% · NOENTER3.WMF
83% · UNSAFE.WMF
83% · NOSWITCH.WMF
83% · NOTENTER.WMF
82% · KEEPOFF.WMF
82% · NOSTART2.WMF
82% · NOSWITCH.WMF
82% · DOORCLOS.WMF