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ball size as variables of classifier in denmark

larger the larger is the class size Of course there are other benefits to teaching in small classes too but this model captures an important feature of class size and gives rise to a specific functional form for the educational production function One important implication of the Lazear 2001 model is that optimal class size... As a leading global manufacturer of crushing equipment, milling equipment,dressing equipment,drying equipment and briquette equipment etc. we offer advanced, rational solutions for any size-reduction requirements, including quarry, aggregate, grinding production and complete plant plan.

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