Scene: Serious instructor, emphasising that all must be just so when we're inspected by the MHRA.
Instructor (male, 28): The MHRA Standards state that everything must be regularly calibrated, including the height charts on the wall.
Research Administrator I: You mean those ones that are nailed to the wall? They need to be calibrated more than once?
Research Administrator II: In case of earthquakes or building subsidence presumably.