A synthetic process is one that

A.Combines several different ingredients or assembles numerous component parts to manufacture a product
B.Starts with basic raw materials and breaks it down into various constituent products
C.Is characterized by an uninterupted flow of operations from raw materials to end product
D.Involves operations which are repeated in the same way
E.Involves non-repetitive operations

In retractional flow system in plant layout

A.Material is transferred from one machine to another without having to move again along the same path
B.The flow is repeated for completing non-consecutive operations
C.Materials fed at one end and components leave at the other end
D.The feeding to and ejection from the line is at the same end
E.The flow of material is in zig-zag path