Dando Drilling Australia releases a Dual Mast Terrier designed at meeting the needs of geotechnical companies. The Dando Dual Mast Terrier has been designed to use a wide range of drilling techniques in the same borehole, using the tried and tested Terrier drive sampling system and powerful Terrier rotary drill alternately without having to change masts. Please visit www.dandodrillingaustralia.com or email Taylor australia@dando.co.uk