Please give us more context, Ramigaa.
Who is Montag? Who is he talking to? What is happening?
Also please give us the sentence before this and the sentence after. You are allowed to quote up to 4 sentences total from any one source for context. You can summarize other useful information in your own words.
Montag is a fireman working for the state that has banned possession of books; He is getting aware of the power of television which dominates the parlours in houses and the consumerism it promotes. The words 'Denham's Dentifrice' come over the speaker in the vacuum-underground train.