Correct Answer:
Option B - • IS : 6165–1971–Dimensions for special shapes of clay bricks.
• IS 2212-1991–Brick work code for practice.
• IS 4860-1968–Specification for acid-resistant bricks.
• IS 5779-1986–Specification for burnt clay soiling bricks.
• IS 4885-1988–Specification for sewer bricks.
• IS 11650-1991–Guide for manufacture of common burnt clay building bricks by semi-mechanized process.
• IS 13767-1993–Burnt clay fly ash building bricks.
B. • IS : 6165–1971–Dimensions for special shapes of clay bricks.
• IS 2212-1991–Brick work code for practice.
• IS 4860-1968–Specification for acid-resistant bricks.
• IS 5779-1986–Specification for burnt clay soiling bricks.
• IS 4885-1988–Specification for sewer bricks.
• IS 11650-1991–Guide for manufacture of common burnt clay building bricks by semi-mechanized process.
• IS 13767-1993–Burnt clay fly ash building bricks.