Before the transformer is put into production, a series of oil tests are required, such as testing the dielectric loss factor, acid value, flash point and moisture of the transformer oil.
Tan iyo markii qalabka tijaabada saxda ah uu soo galay Shiinaha 1990-meeyadii, waxay noqotay warshad si degdeg ah u koraysa oo ka mid ah warshadaha soo koraya.