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i)It must begin with a single event and must end with a single event.
ii)Two activities cannot begin and end with the same pair of events.
iii)Events do not exist until all activities feeding them are complete.
iv)Loops are not allowed.
v)Danglers are not allowed.
vii)Networks are normally drawn from right to left.
viii)They are not drawn to scale'
ix)Lines that cross each other should be avoided.
Steve ju answered the question on October 11, 2018 at 18:55
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