The Mechanic: Medium Skin Tone emoji is a ZWJ sequence combining ? Person, ? Medium Skin Tone, Zero Width Joiner and ? Wrench. These display as a single emoji on supported platforms.
Mechanic: Medium Skin Tone was added to Emoji 12.1 in 2019.
U+1F9D1
U+1F3FD
U+200D
U+1F527
??? Adult
??? Emoji modifier fitzpatrick type-4
??? Zero width joiner
??? Wrench