The third source I think.
Answer:
speed light
Explanation:
A speedlight or flash is often the best photography lighting that's on-site because of the portability. With an off-camera wireless flash system, speedlights can do much of the work of studio strobes.
During King Louis XIV´s reign, Versallies became a symbol of absolutism.
Answer:
A stairway, ladder, ramp or other safe means of egress shall be located in trench excavations that are 4 feet.
