1 : 50

1 : 100

1 : 48

1 : 96

be separated by light heating

be easily separated

not be separated easily

not be separated by any means

1 to 7

1 to 8

0 to 7

0 to 8

3 Degree 15'

3 Degree

2 Degree 55'

1 Degree 29'

Concentricity

Connicity

Convexity

Concavity