A technician often has to sketch or design ductwork and the other parts of an HVAC system. Sometimes you have to sketch the room or building you are working with. This means working with lines, angles ...

In storms or other turbulence, pilots need to know how the plane is orientated and the angle at which the plane is tilted toward Earth’s surface. If the plane’s nose is tilted downward at a 45-degree ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. It may seem obvious that surveyors, ...