Table 3.

Components of the tracking system with costs.

Component	Quantity	Cost per piece (ETB)	Total cost (ETB)
Solenoid valve	2	300	600
Reservoir water tank	1	1500	1500
Suspended storage	1	50	50
Spring	2	50	100
Bearing	2	50	100
Shaft	1	50	50
Bimetallic strip	2	100	200
Wire Cable	–	100	100
hose	1	50	50
Gate valve	2	50	100
Grand total cost	–	–	2850 ETB or $52.8