Assertion: racket | /r/MadeOf | wood
Facets:
value: before the 1970s
type: TEMPORAL
value: of standard size
type: OTHER
value: typically
type: DEGREE
value: to their excessive weight
type: CAUSE
value: in the previous years
type: TEMPORAL
value: to cost
type: PURPOSE
Source sentences:
text: Before the adoption of carbon fiber composite, rackets were made of wood to their excessive weight and cost.
text: Although in the previous years, the rackets were made with light materials such as aluminum and wood.
text: For the first 100 years of the modern game, rackets were made of wood and of standard size, and strings were of animal gut.
text: Before the 1970s, rackets were typically made of wood and weighed between 13 and 15 ounces.