The need to produce goods and services at quality levels previously thought impossible to obtain in mass production and the spreading use of participatory management techniques will require a work force with much higher levels of education and skills.
下图:红色为主语,蓝色为谓语,主要句子结构为划线部分;
to produce goods and services作定语修饰的是主语The need ;
with much higher levels of education and skills作定语修饰宾语a work force .