Work in teams of 3. Make as many words as possible using the prefixes re-, dis-, over-, sub-, en-, up- . Compare as a class.

-cover	-load	-connect	-assemblies	-large	-source	-grade	-play
-cycle	-able	-courage	-furbish	-night	-mantle	-scribe	-come

3. Study the sentences in the box and make rules.

§ Highly toxic chemicals are used for etch ing silicon chips in some microelectronic companies.

§ Why can’t they be adapted for use in schools and colleges?

§ Manufacturers redesign their products so that they can be more easily recycled.

§ The ICEER has been formed to draw up a set of principles for the disposal of computers.

§ A lot of companies throw out computers when they are still working in order to get a more efficient or faster model.

Expressing purpose with to, in order (not) to, so that and for To express purpose § We use toand in order (not) to plus an infinitive when the subject of the main clause and the clause of purpose are the same. § In order (not) to is more formal than to. § We can use so that both when the subject of the main clause and the clause of purpose are the same and they are different. § We often use so that with can, could or other modal verbs and the main verb. § We use for with a noun or a gerund.  

4. Match two halves to make sentences.

1) Many electronics recyclers simply collect equipment and do initial disassembly, then contract with others	a) so that they won’t explode scattering shards of glass and other materials.
2) Most recyclers charge fees	b) to protect our environment.
3) About 50 percent or more of the United States' used computers, cellphones and TVs sent to recyclers are shipped overseas	c) in order to determine the measures necessary to achieve reduce greenhouse gas emissions by 6%.
4) A reasonably new computer should be refurbished 5) Cathode ray tube (CRT) monitors, should	d) to build a new incinerator in an area of countryside near our city.
be disposed properly	e) to process equipment.
6) We must create ways to recycle	f) for materials recovery.
7) Make sure the reuse organization is accepting donations	g) for recycling.
8) The Kyoto Protocol Target Achievement Plan was established	h) so that its owner could sell at nearly give-away prices.
9) I am strongly against the government’s plans	i) for local reuse, and not sending them overseas.

Functional language: Expressing opinion In our opinion … First of all, …/ Then, …/Next, … Moreover, … Furthermore, … The greatest advantage of … The disadvantage of this way is that … To sum up, … In conclusion …

Speaking

1. Work in groups of 4-5. Discuss what you or your friends usually do with your old electronic devices.

2. Suggest and discuss any other means that can reduce hazardous effect of the computer revolution. Share your ideas with the rest of the class. Explain pros and cons of the suggested solutions.

Listening

1. The verbs in A are in the text you are going to listen. Match a verb in A with a definition in B.

A	B
1) demanufacture	a) to restore smth to good condition that is broken, damaged or torn
2) break down	b) to bring smth back to a former condition
3) donate	c) to repair and clean a device in order to make it more attractive, like new
4) refurbish	d) to treat substances or devices with chemicals in order to separate raw materials
5) repair	e) to destroy or divide smth into parts in order to analyze it or make it easier to do
6) restore	f) to take goods to pieces in large quantities using machinery
7) reuse	g) to treat things that have already been used so that they can be used again
8) recycle	h) to use smth again
9) process	i) to give money, food, clothes, etc. to smb/smth, especially a charity

Study help The process diagrammes or flowcharts allow you to visually represent methods, processes, steps, or stages that describe how events occur.

2. Listen to a recycling supervisor at Environmental

Protection Agency describing the work of electronic waste recycling. As you listen complete the diagramme of the recycling process.

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