Amazing Manufacturing Process of World's Biggest Caterpillar Tire / OTR Tire

Explaining on Instagram: "Follow (us) @Explaining to learn something NEW every day 🧠‼️ In the 1960s, doll factories were buzzing with life — a mix of early automation and skilled craftsmanship that brought toys to life one piece at a time. 🏭 Each doll began as a mold of vinyl or soft plastic, shaped into heads, arms, and legs using early injection and blow-molding machines. Workers then trimmed off extra plastic, sanded rough edges, and carefully painted faces — often by hand — giving every do