Building Construction
Gravels

All listed here
Vary in size between 2 to 20 mm
Never swell when they come into contact with water
Are cohesionless aggregates

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Building Construction
Single Flemish bond consists of

Double Flemish bond facing and English bond backing in each course
Stretcher bond facing and double Flemish bond backing in each course
English bond facing and double Flemish bond backing in each course
Double Flemish bond facing and header bond backing in each course

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