pola 4dBaca Express tampilkan 1 Apa itu Rumus Sidney 4D? 2 Bagaimana Cara Menggunakan Rumus Sidney 4D? 2.1 1. Rumus Kepala 2.2 2. Rumus Ekor 2.3 3. Rumus 2DFISHING POLE. 4D POLE is a gin pole of great value in handling loads or people, for both work and in organized technical rescue. The pole can be fixed in multiple directions at the same