DEMO Technology I & II - page 8

10
3.3.
Signs
Signs are the resources (graphic, light, sound or text) that we use to show or highlight
an instruction. There are four types of graphic signs: mandatory, warning, emergency
and prohibition.
It’s important to recognise these signs in the classroom workshop:
Apply
11.
Draw the following signs in your notebook: hard hats must be worn,
fire risk and first aid kit.
Understand
12.
Listen and complete the table about signs in the workplace.
Type Background colour Edge colour Pictogram colour Shape
Warning
...
...
...
...
...
Green
...
White
...
...
...
...
...
...
...
...
...
...
Round
13.
Think of some examples of signs that use light, sound or text. Tell your
partner about your ideas.
Types of graphic signs
Mandatory signs
: show you that you must wear special
protective gear to avoid accidents.
Warning signs
: warn you about possible dangers of working
with a certain tool or substance.
for your feet
for your hands
for your eyes
for your ears
for your head
for your breathing
Emergency signs
: provide information and help about
emergency equipment and exits.
first aid
this way
to first aid
first aid station
fire exit
this way to fire exit
fire exit
dangerous chemical
radiation risk
flammable material
corrosive
material
explosive
material
high voltage
caution
Prohibition signs
: prohibit certain actions that might put you
or your classmates’ health in danger.
no running
do not drink
no smoking
no naked flames
do not extinguish with water
In the classroom workshop,
we can distinguish different
areas according to the task
we are going to do there.
Before starting, it is
important to assign tasks.
In the classroom workshop,
there are certain hygiene
and safety rules that we
must follow.
We must pay attention to
the mandatory, warning,
emergencyandprohibition
signs.
Key concepts
ADVANCE EDITION
1,2,3,4,5,6,7 9,10,11,12,13,14,15,16,17,18,...91
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