The X-10 and X-15 hydroexcavator models from Hi-Vac Corporation are designed to virtually eliminate the risk of underground utility strikes. They perform hydroexcavation along with vacuum excavation, potholing and daylighting. The easy operation and simple maintenance required provides for maximum efficiency on the job. They combine a state-of-the-art water pump and vacuum technology to create ideal vacuum excavation power. 740/374-2306; www.x-vac.com.