Boart Longyear wireline core retrieval system, an innovation that revolutionized the diamond drilling industry by increasing productivity on the worksite and making tripping core from the bottom of the hole safer for the drilling assistant. Later named the Q Wireline System, the new core retrieval method introduced a level of productivity never before seen in the exploration drilling industry. In 1964 Longyear sold 25 percent of its family-owned stock to FACTS, a Luxembourg-based holding company owned jointly by Boart International and Christensen Diamond Products Company. Three years later FACTS exercised its option to purchase another 25 percent of Longyear's family stock. The
Uncontrolled waste Uncontrolled waste Uncontrolled waste is a group of waste types that do not fall into either the controlled, special or hazardous waste categories, such as specific mining wastes and agricultural wastes. This should not be confused with an alternative definition of uncontrolled waste that refers to improper waste disposal. Uncontrolled waste has significant impacts on the environment. In certain areas of Germany, it was found that industrial waste such as from ore smelting and waste products produced from petrochemical plants were found near population centers. Main effects of waste such as these lead to contamination of groundwater from toxic chemicals,