1 The molten glass can be poured into a mold and let cool. 2  This method was used by the Egyptians, and it is also how many lenses are created today. 3  A large amount of molten glass can be gathered at the end of a hollow tube, which is then blown into while the tube is turned.
Indirect costs vary depending on the indirect cost base. Indirect costs are assessed either on a Total Direct Cost (TDC) basis or a so-called Modified Total Direct Cost basis (MTDC). Check sponsor guidelines for direction.
Modified Total Direct Costs excludes equipment ($5,000 or greater per item), capital expenditures, charges for patient care, tuition remission, participant support costs, rental costs, scholarships and fellowships, as well as the portion of each subaward in excess of $25,000. Total Direct Costs (TDC)