Basic Electrical Installation Work

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6 Warning signs. FIGURE 1. FIGURE 1. .The legal responsibilities both employers and employees 23 WARNING SIGNS These give safety information. They give warning a hazard danger. They give information about safety provision.5 Prohibition signs. 1. These are triangular yellow signs with a black border and symbol, and are given Fig.7.6. 1.8. MANDATORY SIGNS These are must signs. These give safety information. 1. ADVISORY SAFE CONDITION SIGN These give safety information. These are must not signs. These are square rectangular green signs with white symbol, and are given Fig. They give instructions which must obeyed. These are circular blue signs with white symbol, and are given Fig