News Tank built on site at Westech 13/10/2021 FacebookTwitterEmail Inventor Michael Theuerkauf and his partner Michelle in what they call the oven, a machine that builds rainwater tanks on site. PHOTO: Michael R Williams Michael R Williams AN innovation at this year’s Westech Field Days event may revolutionise the industry and could prove vital for future drought […] Subscribe or Login to see the rest of the content. Username or E-mail Password Remember Me Forgot Password