ABSTRACT
A b s t r a c t I n t e r l a b o r a t o r y programmes i n c l u d i n g r o u n d - r o b i n t e s t s a r e commonly o r g a n i z e d i n t h e f r e n c h and european cement i n d u s t r y f o r 30 y e a r s w i t h b e n e f i t f o r t h e p a r t i c i p a n t s .
