    sentence 4: In addition to    recirculating water, what do    condensers do?         sentence 2: other components are  often present; Pumps (such as an  supply water to the  condensers    to recirculate the water and    necover the — latent heat of    vaporisation, and superheaters 0    \raise the temperature of the steam  sJabove its saturated vapour point,    s\Jand various mechanisms to increasé    Wo a et for fireboxes-