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DAFTAR GAMBAR

Gambar 2.1 Ketel pipa api....................................................................................10

Gambar 2.2 Ketel pipa air.....................................................................................11

Gambar 2.3 Kerangka pikir penelitian..................................................................28

Gambar 3.1 Pohon masalah...................................................................................37

Gambar 3.2 Pohon sasaran.....................................................................................40

Gambar 3.3 Pohon alternatif..................................................................................42

Gambar 3.4 Matriks kerja......................................................................................43

Gambar 4.1 Korosi water tube...............................................................................53

Gambar 4.2 Sight glass..........................................................................................55

Gambar 4.3 Doubling water tube...........................................................................66

Gambar 4.4 Siklus perawatan................................................................................67