Construction was the process of erecting a building. Construction work was carried out on construction sites, and could be conducted by humans (PROSE: I Am A Dalek) or robots. (AUDIO: Phobos)
Daryl Christofi mentioned on his website that it was "under construction". (PROSE: Enthusiastic Amateur Diver Shares His Discoveries With You!)
On 5 January 1972, President of the United States Richard Nixon ordered the building of a space shuttle. He was cagey when asked why, saying "You don't know who might be listening..." (PROSE: Time Traveller's Diary)