It is also known as anaphylactic shock. Signs of anaphylaxis include: 1  itchy skin or a raised, red skin rash. 2  swollen eyes, lips, hands and feet. 3  feeling lightheaded or faint. 4  swelling of the mouth, throat or tongue, which can cause breathing and swallowing difficulties.  wheezing.
Shell Helix synthetic technology oils make use of both synthetic and mineral base stocks to achieve higher performance levels than can be formulated from mineral oils alone. Semi synthetic motor oils help protect your engine. Shell Helix semi-synthetic or âsynthetic technologyâ oils make use of both synthetic and mineral base stocks to achieve higher performance levels than can be formulated from mineral oils alone.
I was very impressed at how the SHELL Helix Ultra 5W-40 perform on my car. I was around 7000km in mileage when I decided to go ahead with the change due to an upcoming long trip. The first engine crank already impressed me as it is significantly quieter and vibration of my engine bay seems lesser.