I saw the page Yashica_YC-64#Symptom_or_Problem_Encountered had a humming transformer marked as a symptom. This is typically caused by a transformers steel plates coming loose. We should have a specialty page that describes these symptoms in more detail and explains how a transformer can be resolidified to keep the plates stable and silent, I believe lacquer is a technique for that.
Dallas clock battery replacements. A guide on cut modding different dallas clock chips to connect external batteries or outright replacement parts. This would be linked in the infobox of devices with dallas chips.
A page that details the different kinds of mounting glue used for components and capacitors on PCBs. With the intention to educate that the glue is not a leaking capacitor and possibly to cover types of glues that can become corrosive over time.
A short and simple page that talks about rifa capacitors that blow up. Just information on identification, replacements(or just removal). This will eventually be a page linked to int the infoboxes for devices with Rifa caps so people can quickly find out information on them before opening the device or powering it on