There is an interlock that prevents the hot pots from being aspirated at too high a temperature (must be below 50 degrees C).
(an interlock; prevents; the hot pots; from being aspirated at too high a temperature (must be below 50 degrees C) (the hot pots; from being aspirated; L:at too high a temperature (must be below 50 degrees C)
an interlock the hot pots
prevents from being aspirated
the hot pots from being aspirated at too high a temperature (must be below 50 degrees C
L:at too high a temperature (must be below 50 degrees C