I noticed you put my name in the changes for 0.7.4 as well as 0.7.5 in regards to Sodium Hydroxide.
But in 0.7.5 it is broken. See screenshot:
https://i.imgur.com/33xelxx.png
For some reason, you've got it under Angel's, which isn't what I was asking for.
The following need to be included:
sodium-hydroxide
cobalt-steel-gear-wheel
cobalt-steel-bearing
silicon-nitride