In table below, there are 5 machines and 4 different product that produces by ElectroWorld. Table shows which products are needed operation by machines as 1 if not needed as 0. For example, Product 1 requires operation from Machine 1, Machine 2 and Machine 3.

	P1	P2	P3	P4	P5
M1	1	1	0	0	1
M2	1	1	0	0	0
M3	1	0	0	0	1
M4	0	0	1	1	1
M5	0	0	1	1	0
M6	1	0	1	1	0
M7	1	1	0	1	0
M8	0	0	1	1	1
M9	0	0	0	1	1

Question: Use Row and column masking (R&CM) method and answer the details of groups that found by method.

ElectroWorld Company produces electrical sockets for home. All of the products are produces in same facility. In the production while some of the products requires similar processes, some of them not. Production manager wants to use group technology heuristic methods to find Group Layout (or Product Family Layout). Use the table below and answer the following questions. In table below, there are 5 machines and 4 different product that produces by ElectroWorld. Table shows which products are needed operation by machines as 1 if not needed as 0. For example, Product 1 requires operation from Machine 1, Machine 2 and Machine 3.