Вставьте глаголы, пропущенные в тексте в Present Simple Tense. Некоторые глаголы могут быть использованы несколько раз:
to use to be to transport to have to lift to mix to rotate to pour
Concrete mixers _ and _concrete. For small quantities of concrete, hand mixers _ ideal. The portable mixer _ wheels and _ electricity. It _ a small drum which _. Concrete transport trucks- or in-transit mixers _ large quantities of concrete to the site. The drum _ during transport. The chute men _ the concrete down the chute, or _ a pump to get the concrete to difficult locations. Sometimes a crane _ a hopper full of concrete to the job site.
