This is the 3428th most frequent Spanish word.
eléctricas
"Eléctricas" means "electric" (feminine plural).
Used here as an adjective describing the type of bicycles, 'eléctricas' conveys that these bicycles are powered by electricity.
Las bicicletas eléctricas son muy silenciosas.
Electric bicycles are very quiet.
In this sentence, 'eléctricas' functions as an adjective describing industries, indicating their involvement in electricity production or distribution.
Las industrias eléctricas generan empleo en la región.
The electric industries create jobs in the region.
Here, 'eléctricas' modifies tools, emphasizing their operation using electrical power rather than manual or other forms of energy.