Assertion: bubble memory | /r/HasProperty | heated to around 30 to 40 °c
Facets:
value: to operate
type: PURPOSE
Source sentences:
text: The Bubble System required a "warm-up" time of about 85 seconds (prompted by a timer on the screen when switched on) before the game was loaded, as bubble memory needs to be heated to around 30 to 40 °C (86 to 104 °F) to operate properly.