Recovery and Utilization of Extraterrestrial Resources
Jul 20, 1989 . and asteroid resources; mining and excavation equipment, oxygen . used in a variety of ISRU systems, for example as the atmospheric inlet filter for an ISPP process to enhance the concentration .. Drilling; Exploitation; Lunar Excavation Equipment; Lunar Mining; Materials Handling; Mineral Deposits.
The North American Mosaic: An Overview of Key Environmental Issues
As a mosaic of existing information, this report prompts us to consider the following questions: . What are the central environmental challenges confronting North America? .. tion competes with the export of mid latitude cyclones. .. sel engines, construction vehicles and agricultural equipment are the largest mobile.Get Price