Simplify the following text for a Grade 5 native English-speaking person.
Original: Masonry is the building of structures from individual units laid in and bound together by mortar ; the term masonry can also refer to the units themselves . The common materials of masonry construction are brick , stone , marble , granite , travertine , limestone ; concrete block , glass block , stucco , and tile .
Simplified: Brick is the most common type of masonry .