An interior door does not have to withstand extreme weather changes. Interior and exterior doors are not the same product sold under different labels. The construction of each is different, with exterior doors given special treatment to stand up to the elements and frequent use.
The charging of lead-acid batteries can be hazardous. However, many workers may not see it that way since it is such a common activity in many workplaces. The two primary risks are from hydrogen gas formed when the battery is being charged and the sulfuric acid in the battery fluid.
When the battery terminals are connected, a chemical process occurs in the electrolyte where electrons will be received from the anode and supplied to the cathode. The performance of a battery depends on humidity and temperature. This is because the battery produces electricity through a chemical process.