I typed https://www.aboutcivil.org/hydraulic-penstock in Mozilla Firefox Site displayed msg "Please, enable ads on this site. By using ad-blocking software, you're depriving this site of revenue that is needed to keep it free and current. Thank you." I typed https://www.aboutcivil.org/hydraulic-penstock in Chrome. Site displayed ads I would like to see the ads for that site in Mozilla Firefox. Please help