ACitrating
BGrouting
CPumice
DRinetting
Answer:
B. Grouting
Read Explanation:
• Chips or small pieces of stones used to filling the voids in stonemasonry wall are called Spalls. • A stone which covers the entire thickness of stone masonry walls called Through Stone • External inclined or splayed support given to a wall is called Buttress. •Concrete or stone block used under beam to reduce the intensity of load over wall is called Template or Bed block. •Steps provided from ground level to the plinth level are called Tresholds. • Projecting stone or concrete used to support wall plate is called Corbel. • Rusticated or Rebated joint in stone masonry is used in plinths to give the structure massive appearance. • Projecting ornamental course provided near the top of wall or at the junction of wall and ceiling is called Cornice. • Inclined surface provided on the top of external wall for easy drain off of water is called Weathering. • Grooves provided under the projections like shade, coping, etc. are called Throating. • Horizontal course of stone blocks provided to strengthen the wall made by small stones is called Lacing course. • Course of stone placed immediately below the comice for appearance called Frieze.