Related to Durable rock

Durable medical equipment means equipment which:
durable medium means any instrument which enables the traveller or the trader to store information addressed personally to him in a way accessible for future reference for a period of time adequate for the purposes of the information and which allows the unchanged reproduction of the information stored;
direct shipping ore means iron ore which has an average pure iron content of not less than sixty per cent (60%) which will not pass through a one half (½) inch mesh screen and which is sold without concentration or other beneficiation other than crushing and screening;
LOCKHEED MARTIN Procurement Representative means a person authorized by LOCKHEED MARTIN's cognizant procurement organization to administer and/or execute this Contract.
Clean coal technology demonstration project means a project using funds appropriated under the heading “Department of Energy—Clean Coal Technology,” up to a total amount of $2,500,000,000 for commercial demonstration of clean coal technology, or similar projects funded through appropriations for the Environmental Protection Agency. The federal contribution for a qualifying project shall be at least 20 percent of the total cost of the demonstration project.

Durable rock definition