Начертите неразвёрнутый угол и отметьте точку А, лежащую на его стороне, точку В, лежащую в его внутренней области, и точку С, лежащую

1. Does the electric motor find wide application in industry?

Does the electric motor or the diesel engine find wide application in industry?

What field does the electric motor find wide application in?

The electric motor finds wide application in industry, doesn't it?

What motor finds wide application in industry?

2. Did Russian scientists contribute greatly to the science of electricity?

Did Russian or German scientists contribute greatly to the science of electricity?

Russian scientists contributed greatly to the science of electricity, didn't they?

What contribution did Russian scientists make to the science of electricity?

What science did Russian scientists contribute greatly to?

Who contributed greatly to the science of electricity?