Water Dispersant... It was their 40th formula that they got right...
Also a monument to why patents are so old hat. They never patented it but relied instead on trade secret. I spent so many years of working as TD explaining to American owners why we weren't going to patent anything. 9 times out of 8 it just gives the opposition the lead on how to outperform you.
Back on topic, are we certain Nick isn't putting WD-40 in the holes in the wall and polyfilla on the hinges?