Preservation Very Rusty World War II Steel Breastplates. Cleaning in Oxalic Acid

In this video, I will show full preservation of the USSR - steel breastplates SN-42 from the World War II. This steel breastplates has been in the ground for 77 years. The purpose of this process is to preserve the original state of the history object. As a result, I was able to stop the corrosion and preserve a lot of the original paint. Now the item will not be destroyed and will remain in this form for a long time. USSR - steel breastplates SN-42 began to arrive in the army in 1942 and were later used during World War steel breastplates along with the conventional steel SSh-40 helmets equipped the assault engineers and demining brigades of the Supreme Command Reserve STAVKA, for which they are sometimes called “tubular infantry.“ Breastplate SN-42 was designed to protect against bayonet attacks, small fragments of shrapnel, and 9mm pistol bullets with lead cores, providing protection against fire from an MP-38/40 submachine gun from distances of 100–150m, and