12/31/2009 12/31/2008 01/01/2008
Material for maintenance of networks 24,479 28,747 34,910
Material for technical assistance 34,284 33,010 29,046
58,763 61,757 63,956


In the period ended December 31, 2009, R$53,488 spent on materials for maintenance and technical assistance were recorded in expense (R$44,531 in 2008).