A salted fishapos;s

Some people who are particular about things even use blue bricks for their kang beds. It's unnecessary, red bricks work just fine. The old man thinks they are even warmer than blue bricks.,The old man calculated for a moment and quoted a price four cents less than what he had initially said.,He pulled out another thin slate and showed it to everyone: "There are also these kinds. The foreman at the quarry said that these slates can be used for heating floors."。