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Angkur mekanis bekerja menggunakan prinsip mekanis dan terdiri dari dua jenis baut jangkar, yaitu ekspansi dan undercut, yang memanfaatkan gaya gesekan antara baut dan beton.Considered one of the primary functions of an MCB which boosts its abilities and applicability is The point that their performance is often restored with the slightest energy.