Consider a company that produces a given article, using a set of operations with the precedences shown in the table (daily work of 8h).

Operations	Operation Time	Precedences
A	1	-
B	1,2	A-
C	0,6	B
D	1,2	C
E	0,8	D
F	1,4	E
G	1,6	F
H	0,2	G
I	0,6	H
J	1,2	I
K	1,2	J
L	1	K

Assuming that the process will be performed at 3 workstations, balance the line to ensure the highest possible efficiency.