OSHA-mandated lockout-tagout (LOTO) practices began in 1989 with the introduction of regulation CFR1910.147.

We still don’t have the settings right and we need to get this filling machine running yesterday.” The lead technician yells out as if someone was there listening, but he’s working alone. Steven, a line mechanic with more than 25 years’ experience has seen this problem before, but this time it’s more difficult to identify the root cause and fix.