Transformer oil is either synthetic or minerals. Oil inside the transformer is act as a transfer media for heat transfer from HT and LT coils and circulate inside the transformer. Oil also provide insulation and protection to windings.
How It Works. Twinrix is a vaccine that provides active immunity against both the hepatitis A and hepatitis B viruses. It is given in a series of 3 injections on the same schedule as the hepatitis B vaccine: an initial dose followed by doses at 1 month and 6 months. It can also be given in 4 doses, with the initial dose followed by doses at 7 days, 21 to 30 days, and 12 months.
How many doses of hepatitis B vaccine will my baby receive? The basic series is 3 or 4 doses. The first dose should be given in the hospital (at birth), the second dose 1â2 months later, and the third dose at age 6 months or later.ow many doses of hepatitis B vaccine will my baby receive? The basic series is 3 or 4 doses. The first dose should be given in the hospital (at birth), the second dose 1â2 months later, and the third dose at age 6 months or later.