🔥🔩🕳♂️🌡️⬇️🐌

#metallurgy #heat treatment #metal hardening #slow cooling #materials science #forging

🔥🔨💪

#forging #tempering #metal hardening #strengthening #heat treatment #building strength

🔨🔥🌬️🛡️

#annealing #forging #blacksmithing #metal hardening #heat treating #toughening