When i test the rich snippets with the google tool. Google Structured Data Testing Tool send me those errors and warnings in the blog schema.

https://search.google.com/structured-data/testing-tool?hl=es#url=https%3A%2F%2Fwww.exceletec.com.mx%2Fprecio-de-una-trituradora-de-papel-eba%2F

i want to know, how i can fix it.