Foster Yeoman Chooses Rota Val for Asphalt Plant A market leader in the manufacture of all types of asphalt, Foster Yeoman selected Rota Val rotary valves for a key part of its plant in Somerset. Foster Yeoman Limited was founded by Foster Yeoman, from Hartlepool, near Wells, shortly after the Great War to provide employment for ex-soldiers. The company grew rapidly and supplied materials for airfields during the next worldwide confl

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