Fame and familiarity, often through advertising, make things well-known. Some things are infamous, as well. Going viral on the internet can make something well-known.
Cape Cod.
Kong is one of the most wellknown companies that manufacture strong dog balls. Kong makes products for all sizes of dogs. Orbee is another company, as is JW Pet Company.
Dowex 50 is a wellknown ion exchanger.
Yes ! The phenomenon of chemoluminescence is wellknown.
It is probably most known for its kookaburra.
she was a teacher in Mississippi before she became a wellknown journalist.
It is a wellknown, largely used explosive from approx. 150 years.
Steaua Bucharest is a wellknown Romanian club for sports.
The island Krakatoa (with the wellknown volacano) is in Indonesia, not in the Iberian Peninsula !
A wellknown example is bakelite.
When something albaze it makes this
hat makes something strong