Whether color, growth, or lodging (damaging, weakening), or fading or weakening, which could indicate the presence of objects or structures underground, manifested by the changes in electrical resistance of soil in their immediate proximity.
Kama rangi, ukuaji, au makaazi (kuharibu, kudhoofisha), au fading au kudhoofisha, ambayo Could beed uwepo wa vitu au miundo ya chini ya ardhi, akaonyesha kwa mabadiliko katika upinzani umeme wa udongo katika ukaribu wao haraka.