7. Study this:
YOU MUST NOT DO THIS
LOOK OUT! BE CAREFUL!
FIRE
ELECTRICITY
8.Match the pictures with the safety instruction. Then put the instruction in another way. Use YOU MUST+NOT/NEVER:
Example: (a)-3: YOU MUST NEVER put out electrical fires with water.
(1)Electric wires must not be coiled
(2)Metal plates must never be held by hand on drilling machines.
(3)Electrical fires must never be put with water.
(4)Broken switches and sockets must never be used.
(5)Grinding machines must never be used without guards.
(6)Cars must never be supported with bricks.
(7)Metal ladders must be placed onto electric wires.
(8)A match must never be stuck near gas.