This is the 16050th most frequent Russian word.
работающих
"Работающих" means "working" (referring to people who are currently engaged in work).
The word 'работающих' is used as a present participle to describe people who are currently engaged in work.
Я видел много людей, работающих в парке.
I saw many people working in the park.
The word 'работающих' is an adjective-like participial form used to specify women who are employed.
Это книга о работающих женщиях.
This is a book about working women.
In this sentence, 'работающих' qualifies specialists, indicating their engagement in a particular field.