Assertion: fountain pen's nib | /r/MadeOf | gold alloys
Facets:
value: with being 14 carat
type: OTHER
value: usually
type: TEMPORAL
value: because of their strength
type: CAUSE
value: because of durability
type: CAUSE
Source sentences:
text: Today, nibs are usually made of stainless steel or gold alloys, with the most popular gold content being 14 carat (58⅓%) and 18 carat (75%).
text: However, most modern nibs are made with stainless steel or gold alloys because of their strength and durability.
text: Today, nibs are usually made of stainless steel or gold alloys, with the most popular gold content being 14 carat (58⅓%) and 18 carat (75%).
text: The first nibs were made of gold alloys, often dipped in a hard metal called iridium for strength and resistance to corrosion.