Page 32 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)
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The City & Guilds Textbook: Plumbing Book 1
Category Description Example
Mandatory – ‘Obey’ Colour: A blue circle with a white symbol.
Purpose: Indicates that a specific course of action must be taken.
Meaning: Obey / You must / Carry out instructions shown / Do
Fire equipment – ‘Fire’ Colour: A red rectangle or square with a white symbol.
Purpose: To describe the location of fire-fighting equipment.
Meaning: Location of fire-fighting equipment
Safe condition – ‘Safety’ Colour: A green rectangle or square with a white symbol or text.
Purpose: To provide information about safe conditions.
Meaning: The safe way / Where to go in emergencies / First aid
Occasionally, a sign may be seen that is a mixture of many different types of
signs on one signboard. These are known as combination signs; an example is
shown in Figure 1.8.
p Figure 1.8 Example of a combination safety sign board
Identifying hazardous substances
Section 7 of the HASAWA states that:
‘Every employer must ensure that the exposure of his/her employees to
substances hazardous to health is either prevented or adequately controlled.’
In most cases, hazardous substances can be divided into six main categories, as
presented in Table 1.4.
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