51.   It is not a light switch.

52.   It was Jamie who ran to the light switch and turned it on.

53.   It was as if someone turned a light switch for me.

54.   Jenna Ford, a dealership in Superior, Wis., is doing its part to remove mercury from car light switches.

55.   John Okun stood in a dark basement in Long Island City, N.Y., waiting for someone to find the light switch.

56.   Light switches and electrical outlets are more accessible.

57.   Light switches are fascinating!

58.   Light switches have two positions, on and off.

59.   Light switches were lowered, and lights were hung overhead to avoid cords from traditional lamps that would get in the way.

60.   Lower doorbells and light switches and higher electrical outlets.