E: 16/12 Win an Xbox One with 3 games and an extra controller

OPIE OILS

What does the "W" in a grade of motor oil stand for?

Weight
Winter :j
Watt

TERMS & CONDITIONS
We DO NOT pass any of your details on, we only ask for your telephone number as primary contact for the winner.
Entries must be over the age of 18 years old.
Entries made by completing the above or by post to: Opie Oils, Winter Competition, Cardrew Industrial Estate, Redruth, Cornwall, TR15 1SS.
Competition is free to enter with no purchase necessary.
Competition started on the 1st October 2014, closing date for entries is 12 noon, Wednesday 17th December 2014 in Great Britain.
The winner will be picked soon after, contacted and announced to all entries by email or by post.