Figure 150

CAVITIES

• Surface porosity (See fig. 152, 153)
• Internal porosity (See fig. 152)
• Cavity through the entire metal wall (See fig. 151)
• Incomplete piece (See fig. 151)

CRACKS

• Crack (See fig. 159)
• Cold shut (See fig. 45)

EXCRESCENCES

• Mold flashing (See fig. 77)
• Core flashing (See fig. 60, 90)
• Texture due to dross (See fig. 154)
• Orange peel (See fig. 161)

DISTORTION

• Distortion due to mold shift
• Reduction in metal thickness due to core shift (See fig. 65)

UNEVEN COMPOSITION

• Tin sweat (See fig. 163)