Углеводородное сырье (нефть, каменный уголь и природный газ) являются источником для синтеза полиэтилена, фенопластов и красителей (на основе анилина).
He did morning exercise yesterday. She lost two things two days ago. She brought flowers from the country last Sunday. This woman sold vegetables on Saturday.
He didn't morning exercises yesterday day She often lost things two ago days She often brought flowers from the country last Sunday This woman sold vegetables every day on Saturday
She lost two things two days ago.
She brought flowers from the country last Sunday.
This woman sold vegetables on Saturday.
She often lost things two ago days
She often brought flowers from the country last Sunday
This woman sold vegetables every day on Saturday