Group C is an infection which is available from the big manufacturers. And experts inoculum Principles that oil mixed with other oils will thicken slightly as a good thing.
Group c is the fuel oil from the major manufacturers, and from experts on the basis of fuel oil that the main head is facing tough little mixed in oil, would be a good thing.
The CD is a sterilizer, Head of major oil companies and experts from the bacteria by virtue main sticky oil, mixed in a little oil will be a good thing.