1. The problem involves drawing the projections of a line PQ where point P lies on the horizontal plane and point Q is 50 mm above the HP and 80 mm in front of the vertical plane. The line is inclined at an angle of 40 degrees to the vertical plane. 2. The elevation of the line measures 78 mm. The true length of the line and the inclination of the line to the horizontal plane must be found. The traces of the line must also be located. 3. The steps involve drawing the projections, locating the points P' and Q', drawing the inclined line using the given angle, measuring the true length and inclination angle, and determining the traces.