(click to enlarge)
Miscellaneous problems are moved to the end of the Pareto plot. This is a
sensible choice as this category comprises of all sorts of small unclassified issues
that aren't of interest given the small amount of time they take up.
are sorted into the same order as operator JDH who had the most total downtime
making it easier to compare the plots.
Electrode failure and bulb failure are
merged together into a new category named Equipment failure. These issues don't
account for much downtime and resolving the problems isn't something achievable
in-house without consultation with the manufacturer of the colorimeter.