Manufacture of batteries and accumulators

This group includes: manufacture of non-rechargeable and rechargeable batteries. In specific: - manufacture of batteries and accumulators: cells containing manganese dioxide, mercuric dioxide, silver oxide etc. - manufacture of electric accumulators, including parts thereof: separators, containers, covers; - manufacture of lead acid batteries; - manufacture of NiCad batteries; - manufacture of NiMH batteries; - manufacture of lithium batteries; - manufacture of dry cell batteries; - manufacture of wet cell batteries.