In this example, mass properties are desired for a solid cylinder. The mask is set to 70 (for a solid), not 16 (which would cause only the cylindrical face to be selected).
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$$ Declarations
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ENTITY/CYL
NUMBER/VAL(42),RESP
MASK/70
IDENT/'SELECT A CYLINDER',CYL,RESP
ANLSIS/SOLID,CYL,LBIN,VAL
HALT