Assertion: manhole cover | /r/HasProperty | round
Facets:
value: typically
type: DEGREE
value: to prevent it
type: PURPOSE
value: in the hopes
type: PURPOSE
value: in some countries
type: LOCATION
Source sentences:
text: Manhole covers are round because a round cover cannot fall through its circular opening.
text: The question of why manhole covers are typically round (in some countries) was made famous by Microsoft when they began asking it as a job-interview question.
text: The answer is, Microsoft didn’t care if people knew why manhole covers were round.
text: Or maybe some hopeful engineer would have simply shrugged their shoulders and replied, “I guess manhole covers are round because manholes are round,” and left it at that.
text: Microsoft didn’t ask people why manhole covers are round in the hopes of finding applicants with an encyclopedic knowledge of modern sewage infrastructure.
text: All manhole covers are round because a round object cannot be dropped into a round hole of the same diameter.
text: A number of possible explanations for why manhole covers are round include:
text: A manhole cover is typically round, to prevent it from falling into the manhole and also to make it easier to put back when the work is finished, as no corners need to be matched.