pH regulators are used in fish farming, sewerage and in agriculture. pH regulators check the pH value in different elements and can introduce acid or alkaline solutions (depending on the measured value) to keep these values within their limit.
http://www.pce-iberica.es/instrumentos-de-medida/sistemas/reguladores-pH.htm ~  [ Read more ]

Big Ass Fans is a manufacturer of large high volume/low speed (HVLS) fans. It's most recent innovation, the Powerfoil, has revolutionized the air movement industry. Their products provide 25+ times the airflow of the standard industrial ceiling fan, and can reduce heating bills by 25% or more.
http://www.bigassfans.com/ ~  [ Read more ]