1. Перепишите предложения и определите функцию глагола to have, to be.
Переведите предложения на русский язык.
1. Valves and actuators are critical in almost every aspect of power plant operations.
2. Although the basic technology for most valves and actuators has remained the
same, innovative applications and design modifications for problem solving have
led to notable improvements in actuator technology.
3. Until 20 years ago motor operated valves tended to have motor control centers
remote from the valve.
4. The more recent smart actuators have an internal data logger inside which has had
the ability to monitor torque output.
5. When valves leak, they are acting in direct opposition to the forces that drive the
plant by allowing energy to leave the high energy processes and enter the low.