Processes for obtaining a knowledge of colouring glass.

(W-9) AFT USE LOCATION (FLIGHT DECK) Figure 5-8.—Crewman optical alinement during engine operation. ORBITER PREVALVE LIQUID OXYGEN TANK 47.0 METERS (154.2 FEET) INTERTANK A — | po | | 2 LOOP LINES FUEL LINES Y Zr. Қ А % -— Y, 7% FUEL ISOLATION і 2 А VALVES (2) (APU SYSTEM 3) AND FILTERS FUEL SERVICING - ISOLATION RECEPTACLES VALVES (2) AND FILTER (1) .