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SON Technical Committee Number Technical Committee Name
SON/TC 077 Cements and Lime
SON/TC 078 Concrete and concrete products
SON/TC 079 Steel
SON/TC 080 Timber and timber products
SON/TC 081 Roads and road furniture
SON/TC 082 Geotechnics
SON/TC 083 Refractories
SON/TC 084 Plywood and boards
SON/TC 131 Clay and clay products
SON/TC 133 Masonry and natural stones
SON/TC 134 Construction technology
SON/TC 135 Sanitation and water treatment