3M（スリーエム）のインスタグラム(3m) - 1月17日 02時43分

#Throwback to the 2019 3M Clash of the Grinders, a one of a kind, skill-based professional grinding competition. Watch as each pro grinds down three 4” carbon steel welds using 3M™ Cubitron™ II abrasives. #welding

[BIHAKUEN]UVシールド(UVShield)

>> 飲む日焼け止め！「UVシールド」を購入する

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