The sequence is: Make, Wash, Finish, Spectrally Sensitize, Add Finals, Coat. Wash and Finish can be inverted in order at the expense of having less effect from the finish in terms of contrast, speed and fog.
As for the rest, the best we are doing now are Old or "Art" emulsions with boosts in technique to bring them up to "Recent" emulsions and without any publications, this will take years to learn.
Teams of people worked on products so that the loss of one person would not paralyze production. This happened one time, with Ektachrome Type R paper, when there was such low production there was only one engineer, and during a protracted illness, there was no production. And so, they changed that procedure for even small runners.
With the low staffing today, IDK what goes on really.