high initial investment for the specialized facilities
skilled labour to operate machines
production time is longer, requiring more goods in inventory
high cost of inspection
job production
automatic production
continuous production
intermittent production
the flow of material in the plant
the methods of proper utilization of manpower
the methods of proper utilization of machines
the layout of factory facilities
dummy
event
activity
contract
an activity of the project is denoted by an arrow on the net work
the tail of the arrow indicates the start of the activity
the head of the arrow indicates the end of,the activity!
the arrows are drawn (to scale from) left to right