Упр.6 Unit 7 Чтение ГДЗ English Кузовлев 10-11 класс

Sometimes ordinary people have to invent something for their households. They do this for different reasons. What did Mr Frank B. Gilbreth invent? Why did he do that?

Mr Frank B. Gilbreth invented a new way of doing household work more efficiently. He did it because he wanted to make housework easier and save time and effort for his family.