Interesting read for me as I have several years of BITOG to catch up on.
I was wondering why some say that M1 is not really a Synthetic and found this.
https://www.pca.org/news/2015-11-02/synthetic-word-relates-motor-oil
I was wondering why some say that M1 is not really a Synthetic and found this.
https://www.pca.org/news/2015-11-02/synthetic-word-relates-motor-oil