Rumus buat transisi ducting
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11:57
Cara Buat Transisi
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16:10
Rumus Cara Buat Reduser Paling Simpel || How to make reduce a simple
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12:00
CARA MUDAH MENGGAMBAR OVAL || dengan ukuran yang kita inginkan
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29:50
Cara Buat Elbow & Rumusnya
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57:01
TIORI RUMUS ELBOW DAN LANGSUNG PRAKTEK DI LAPANGAN
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21:15
RECTANGLE TO ROUND. SHOE TYPE, OFFSET
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8:16
Cara Buat TRANSISI (Bulat Ke Persegi Panjang) Paling Simple || How To Make Transition a Simple
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18:18