I will bring two lights myself, one is an LED light, and the other is a relatively small portable light.
http://danaslowcarbforlife.com/145/thumbs-down-usda-net-fiber-grams-explained-more/
http://lasir.ca/?p=5128
http://www.svjetlo.org/?p=1261
http://duyas.com.tr/2015/01/24/my-bra-size-is-44d-so-that-would-be-a-good-fit/