User contributions for ClarkMills
A user with 154 edits. Account created on 23 April 2006.
10 May 2024
- 18:5318:53, 10 May 2024 diff hist +7 m Propane Added the refrigerant number
- 18:4418:44, 10 May 2024 diff hist +450 Propane Added reference to propane becoming popular as a refrigerant. Needs work but was surprised to see no mention of this in the article.