This unit does not tell how much energy the air conditioner or furnace consumes in a season. To know how much energy air conditioner unit consumes, you need to know ac seer rating (for cooling). Iâll explain how much energy the air conditioner units produce and what does 15000 Btu air conditioner unit means.
Both the Vietnam and Korean War's M1 helmets were virtually identical. There are some differences between the World War II M1 helmets and the Vietnam and Korean wars' M1 helmets. The M1 helmets from the World War II era had a steel stripe that was rolled around the outer edges of the helmet.he M1 helmets during the Vietnam and Korean War eras had what was called a steel pot as the shell and they were a little taller. Most of them had some kind of helmet cover on them.
Most of US M1 in use during the Korean War up to early Vietnam War were produced during WW2 and then repainted, fitted with new straps and new liner. It is not easy to tell if the repainting of a shell dates back to WW2 or later, other clues can help like the stitching on the straps and the liner.ee below some examples of repainted helmets, they may be either WW2 field repaint or postwar refurbishment of original WW2 shells. - The liner -. According to what we said above the US M1 may result in a mixture of components added or replaced in different years. This is true for the liner as well.