3 ms·They are not significantly thermally insulated and are full of toxic materials. In no way is it a good idea.by coryrc 5y agoThey are not significantly thermally insulated and are full of toxic materials. In no way is it a good idea.mdmglr 5y agoCan you elaborate on the toxic materials? I'm curious to know more. I am aware of Skydrol hydralic fluid and perhaps some other oils/lubricants. Is there anything else that might be toxic?coryrc 5y agoDepending on the age, PCBs in the wiring, fire retardants all over.