
Fig. 1.
Different methods of magnetic treated water by poles: north pole (N), south pole (S), and bipolar (N-S)

Fig. 2.
Magnetic treatment by means of passing water through a magnetic field

Fig. 3.
Cement slabs on highway exposed to a wide range of temperature changes (summer up to 40°C, winter down to − 40°C) after one year [69]

Fig. 4.
Highway precast pavement after three years [69]

Fig. 5.
Change in the cement pavement after five years [69]