Составить предложения 3. maximum, factory’s, has, designed, for, the, been, efficiency, layout. 4. will, be, the, all, met, department, costs, promotion, by. 5. changed, the, increase, of, packaging, its, the, products, to, try, sales, company, to.

3. The layout has designed factory's efficiency for maximum.
4. All promotion costs will be met by the department .
5. The company changed its packaging of products to increase the sales.

Ну даже не знаю... вроде так.