What is a term for concrete block moulded with empty core?

🎲 Try a Random Question  |  Total Questions in Quiz: 26  |  🧠 Study this quiz with Flashcards
This question is part of a full practice quiz:
Mason (Building Constructor) Practice Test: Foundation and Hollow block — practice the complete quiz, review flashcards, or try a random question.


What is a term for concrete block moulded with empty core?