se producen

are produced

→ se
phrase Rare #45,793
are produced Also means “occur” when referring to events or conditions.
SP: En esta fábrica se producen bicicletas.
EN: Bicycles are produced in this factory.

Y menos del modo en que se producen y quién los produce.

And even less so the way they are produced and who produces them.

— Gángster Americano (2007)

Los cambios nunca se producen de manera espontánea, señora.

Changes never happen spontaneously, Madam.

— El hoyo (2019)

Se producen muchas cajas a partir del aluminio.

Many boxes are produced from aluminum.

Estos fuertes vientos se producen a veces durante el verano.

These strong winds sometimes occur during the summer.

— Kiki: Entregas a Domicilio (1989)

En España se producen muchas naranjas.

Many oranges are produced in Spain.

Toneladas de basura se producen en el país todos los días.

Tons of garbage are produced in the country every day.