Assertion: baby's form | /r/HasProperty | introduced
Facets:
value: from 1952
type: TEMPORAL
Source sentences:
text: Foundling wheels were taken out of use in the late 19th century but a modern form, the baby hatch, began to be introduced again from 1952 and since 2000 has come into use in many countries, notably in Germany, where there are around 100 hatches and in Pakistan where there are more than 300 as of 2006.