I. Complete the warnings with the words in the box.
1. You ______wear a hard hat on the building site.
2. _______ go through that door!
3. You________ wear safety gloves everywhere in the factory.
4. _______ touch that machine! It's very hot.
5. Be careful! High-voltage electricity. You______get an electric shock.
6. You______use your mobile phone here.
II. Work in pairs. Why do the signs below have different colours and shapes? Match the examples to the signs.
| The safety signs below follow the ISO international standard.
This standard is used in the EU because it has many different languages.
There are three types of safety sign:
WARNING SIGNS.These signs warn you about a danger. They say things like this: Warning. Danger. Be careful. Look out. There is a danger or hazard here. You might injure yourself. The signs are yellow and black in colour and triangular in shape. Here are some examples:
1 Warning. Poison: see (1) _C_
2 Danger. Fire hazard here: see (2)
PROHIBITION SIGNS.These signs prohibit an action. They say: Do not do this. You must not do this. Never do this. The signs are red, white and black in colour and round in shape. Here are some examples:
3 You must not lift this with a hook: see (3)
4 Never take the guard off this machine: see (4)
MANDATORY ACTION SIGNS.These signs order you to do something. They say: Do this. You must do this. Always do this. These signs are blue and white in colour, and round in shape. Here are some examples:
5 Always read the manual before you service this machine: see (5)
6 You must use the guard on this circular saw: see (6)
III. Complete the instructions with the words in the box.
| always do do not must mustn't never
1.___________use a lighted match in this workshop.
2.___________wash your hands after using these chemicals.
3.___________ enter this small space.
4. You_________wear safety boots when you lift this.
5.____________not smoke in this factory.
6.You___________ touch this machine with bare hands. It's hot.
Date: 2015-12-11; view: 1798