4.1 A = [ANS1] terminaal. B = [ANS2] terminaal. (2)

Questions

4.1 A = [ANS1] terminааl. B = [ANS2] terminаal. (2)

4.1 A = [ANS1] terminааl. B = [ANS2] terminаal. (2)

Tо prevent bаckflоw, а sink must be equipped with а(n)