1.4. Match the branch and the things it is concerned with.
1) civil engineering; a) body scanners, X-ray machines, life- support systems.
2) mechanical engineering; b) electricity, lighting.
3) electronic engineering; c) construction of bridges, airports, railways;
hydraulics; fluid mechanics.
4) electrical engineering; d) to safeguard workers, to prevent accidents.
5) medical engineering; e) cars, ships, heating, planes, operation of
machinery of all types.
6) safety engineering f) computers, communications.
Вроде бы 5 хз почему, но 5 а