TABLE OF CONTENTS Can the top product of the column contain components 4, 5, and 6 if in face 4-5-6 there is component order region 
? Can the bottom product contain components 3 and 4 if at the edge there is segment 
?
Is it possible to separate mixture at split 2,5,4: 5,1,3 if in face 2-5-4 there is component order region 
and in face 5-1-3 there is region 
?
Will tangential pinch arise if the top product contains components 4, 5, and 6, tear-off point belongs to region , and in the vicinity of tear-off point component 3 has a phase equilibrium coefficient that is smaller than in tear-off point itself?
Name known to you regions in concentration simplex influencing distillation process. Give definitions of these regions, and describe their properties and significance.
What is the difference between working region of the section 
, rectifying or stripping separatrix sharp split region 
, and rectifying or stripping separatrix min-reflux region 
? What is the dimensionality of these bundles? What is their significance?
