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Geography

Grade 5

Health and well-being

Module 35

Diseases and the workplace

A. Industries and industrial areas

South Africa is a reasonably prosperous country, especially if measured against African standards. An investigation into the prevalence of minerals and raw materials that are derived from the fishing industry, agriculture and forestry will indicate that these are the origins of our prosperity.

The products of our mining industry, and the raw materials referred to above, are processed in factories in order to add value to primary products and in the process, ultimately to create prosperity in the country. The numerous work opportunities that are created in factories, and the wages and salaries that are earned by factory staff, help to produce greater wealth among all sections of the population.

IS THERE MORE TO INDUSTRY THAN MERE ADVANTAGE?

In South Africa, as in most other countries in Africa, there is great unemployment. Any steps that are taken to create employment are welcomed. At one stage the Ceres group wanted to donate land to a fruit canning company in order to create jobs and increase productivity.

However, it would be foolish to do everything in one’s power to utilise the country’s raw materials as speedily as possible and to forget about the people and the environment .

In man’s endeavours to make money out of mining and agriculture, he does a great deal of good, but some of his decisions do not take the best interests of the people and the environment into consideration. One frequently reads and hears about court cases that are made against governments and companies in order to call them to account for past wrongs.

The countries in eastern Europe that were under the rule of the USSR for about 40 years before they took control of their own affairs in 1990 are good examples of how a government can ruin a country. At a certain stage the smoke from thousands of factories in these countries contained so many harmful substances that the trees started to die. Effluent that was spilled into the Rhine, Europe’s largest river, began destroying many kinds of plant and animal life in the early 1970s.

Activity 1:

To make deductions from a graphic representation

[lo 3.1; 3.3]

  • Study the drawing and explain the good plan that was devised to prevent water pollution in this river:

What was the plan that was devised?

B. The influence of industries

It is not only nature that is influenced by industries, but also the people who work in the industries.

Activity 2:

To identify and analyse problem situations and to make recommendations for their improvement

[lo 3.1; 3.3]

Study the newspaper reports and complete the questionnaire:

Report 1

Asbestosis victim blames unicity of dragging their feet

Helen Coetzee

CAPE TOWN - The unicity is dragging its feet while employees at the Athlone power station are suffering from lung cancer and asbestosis that they developed from inhaling asbestos fibre.

Translated from Die Burger, 26 June 2001

Report 2

Prieska speculates about who lie buried at the mine dump

Questions & Answers

Do somebody tell me a best nano engineering book for beginners?
s. Reply
what is fullerene does it is used to make bukky balls
Devang Reply
are you nano engineer ?
s.
what is the Synthesis, properties,and applications of carbon nano chemistry
Abhijith Reply
so some one know about replacing silicon atom with phosphorous in semiconductors device?
s. Reply
Yeah, it is a pain to say the least. You basically have to heat the substarte up to around 1000 degrees celcius then pass phosphene gas over top of it, which is explosive and toxic by the way, under very low pressure.
Harper
how to fabricate graphene ink ?
SUYASH Reply
for screen printed electrodes ?
SUYASH
What is lattice structure?
s. Reply
of graphene you mean?
Ebrahim
or in general
Ebrahim
in general
s.
Graphene has a hexagonal structure
tahir
On having this app for quite a bit time, Haven't realised there's a chat room in it.
Cied
what is biological synthesis of nanoparticles
Sanket Reply
what's the easiest and fastest way to the synthesize AgNP?
Damian Reply
China
Cied
types of nano material
abeetha Reply
I start with an easy one. carbon nanotubes woven into a long filament like a string
Porter
many many of nanotubes
Porter
what is the k.e before it land
Yasmin
what is the function of carbon nanotubes?
Cesar
I'm interested in nanotube
Uday
what is nanomaterials​ and their applications of sensors.
Ramkumar Reply
what is nano technology
Sravani Reply
what is system testing?
AMJAD
preparation of nanomaterial
Victor Reply
Yes, Nanotechnology has a very fast field of applications and their is always something new to do with it...
Himanshu Reply
good afternoon madam
AMJAD
what is system testing
AMJAD
what is the application of nanotechnology?
Stotaw
In this morden time nanotechnology used in many field . 1-Electronics-manufacturad IC ,RAM,MRAM,solar panel etc 2-Helth and Medical-Nanomedicine,Drug Dilivery for cancer treatment etc 3- Atomobile -MEMS, Coating on car etc. and may other field for details you can check at Google
Azam
anybody can imagine what will be happen after 100 years from now in nano tech world
Prasenjit
after 100 year this will be not nanotechnology maybe this technology name will be change . maybe aftet 100 year . we work on electron lable practically about its properties and behaviour by the different instruments
Azam
name doesn't matter , whatever it will be change... I'm taking about effect on circumstances of the microscopic world
Prasenjit
how hard could it be to apply nanotechnology against viral infections such HIV or Ebola?
Damian
silver nanoparticles could handle the job?
Damian
not now but maybe in future only AgNP maybe any other nanomaterials
Azam
Hello
Uday
I'm interested in Nanotube
Uday
this technology will not going on for the long time , so I'm thinking about femtotechnology 10^-15
Prasenjit
can nanotechnology change the direction of the face of the world
Prasenjit Reply
At high concentrations (>0.01 M), the relation between absorptivity coefficient and absorbance is no longer linear. This is due to the electrostatic interactions between the quantum dots in close proximity. If the concentration of the solution is high, another effect that is seen is the scattering of light from the large number of quantum dots. This assumption only works at low concentrations of the analyte. Presence of stray light.
Ali Reply
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Social sciences: geography grade 5. OpenStax CNX. Sep 23, 2009 Download for free at http://cnx.org/content/col10986/1.2
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