Safety rules in handling tools for mobile phone repairs for JSS 1

Class: JSS 1
Term: First Term
Week: 2
Age: 12 years
Duration: 45 minutes
Subject: Computer Hardware and GSM Repairs
Curriculum Theme: Introduction to Mobile Phone Repair
Focal competence: Observe safety rules for mobile phone repairs
Key competencies/values: Communication; Critical Thinking; ICT and Digital Competencies; Responsibility
Skills:

• Usage of various protective equipment for mobile phone repairs

Previous Lesson: Meaning of mobile phone
Topic: Safety Rules In Mobile Phone Repairs: Safety Rules In Handling Tools For Mobile
Subject Matter: Safety rules in handling tools for mobile phone repairs

Specific Objectives

By the end of the lesson, pupils/students should be able to:

Cognitive Domain

• Explain safety rules for handling tools used in mobile-phone repairs.

Affective Domain

• Appreciate the importance of safety precautions in mobile phone repairs.

Psychomotor Domain

• Display safe working conditions during a supervised mobile-phone repair activity.
• Demonstrate correct use of appropriate PPE for mobile-phone repairs.

Reference Materials

The following resources were used in planning this lesson:

• 2025 Revised 9 Years Basic Education Curriculum
• Relevant State Unified Scheme of Work
• Basic Computer Hardware and GSM Repairs for Junior Secondary Schools Book 1
• The HeadTeacher Scheme of work

Instructional Materials

The teacher will teach this lesson with the aid of:

• PPE such as: Hand Gloves, Antistatic jacket/Apron, Handset, Antistatic mat, Smoke absorbers/detector, Safety goggles, Respirators/nose guard, Fire extinguisher
• Internet
• Charts displaying safety rules and PPE

Rationale for the Lesson

This lesson is important because mobile phone repair involves working with delicate components and potentially hazardous tools. Understanding and applying safety rules protects both the technician and the device, preventing injuries, damage, and promoting a professional work ethic.

Prerequisite/Previous Knowledge

Students may have general knowledge of safety rules at home or in school and might have seen various tools used for different tasks.

Lesson Content/Board Summary

Safety Rules In Mobile Phone Repairs: Safety Rules In Handling Tools For Mobile

Importance of Safety in Mobile Phone Repairs

Safety is paramount in mobile phone repairs to:

1. Prevent electric shocks and short circuits.
2. Protect against burns from soldering irons.
3. Avoid injuries from sharp tools.
4. Prevent damage to the mobile phone components.
5. Ensure a clean and organised workspace.

General Safety Rules for Handling Tools

When handling tools for mobile phone repairs, it is important to:

1. Always use the correct tool for the job.
2. Ensure tools are clean and in good working condition.
3. Keep sharp tools covered when not in use.
4. Never use excessive force on tools or components.
5. Store tools properly in a toolbox or designated area after use.
6. Avoid touching sensitive electronic components directly with bare hands.
7. Keep liquids away from the workspace.
8. Disconnect power from the phone before starting any repair.

Personal Protective Equipment (PPE) for Mobile Phone Repairs

PPE are items worn to minimise exposure to hazards that cause serious workplace injuries and illnesses. Essential PPE for mobile phone repairs include:

1. Hand Gloves: Protect hands from sharp edges, chemicals, and static electricity.
2. Antistatic Jacket/Apron: Prevents static electricity from damaging sensitive electronic components.
3. Antistatic Mat: Provides a safe, static-free work surface for handling electronic components.
4. Safety Goggles: Protect eyes from flying debris, solder splashes, and chemical fumes.
5. Respirators/Nose Guard: Filters out harmful fumes and dust, especially during soldering or cleaning.
6. Smoke Absorbers/Detector: Removes harmful fumes produced during soldering, ensuring good air quality.
7. Fire Extinguisher: Essential for putting out small fires that may occur due to electrical faults or overheating.

Displaying Safe Working Conditions

A safe working condition during mobile phone repair involves:

1. Working in a well-lit and ventilated area.
2. Keeping the workspace clean, tidy, and free from clutter.
3. Having all necessary tools and PPE readily accessible.
4. Ensuring proper disposal of waste materials like old batteries or damaged components.
5. Avoiding eating or drinking in the repair area.

Teaching Methods/Instructional Techniques

Discussion, Demonstration, Guided Practice, Question and Answer, Explanation, Observation, Practical Activity

Instructional Procedures

Step 1: Introduction

Time: 5 minutes

Teaching Skill: Questioning/Engagement

Teacher’s Activity: The teacher greets the students and asks them about the importance of safety in everyday life, connecting it to handling tools. The teacher then introduces the topic: “Safety Rules in Handling Tools for Mobile Phone Repairs.”

Pupils’ Activity: Students respond to the questions and listen attentively to the introduction.

Learning Point: Importance of safety

Step 2: Explanation of General Safety Rules

Time: 8 minutes

Teaching Skill: Explanation/Discussion

Teacher’s Activity: The teacher explains the general safety rules for handling tools in mobile phone repairs, using charts or real tools for illustration. The teacher encourages students to discuss these rules in groups.

Pupils’ Activity: Students listen, ask questions, and discuss the safety rules in their groups.

Learning Point: General safety rules

Step 3: Identification of Personal Protective Equipment (PPE)

Time: 7 minutes

Teaching Skill: Identification/Demonstration

Teacher’s Activity: The teacher displays various PPE items (hand gloves, antistatic jacket, safety goggles, etc.) and asks students to identify them. The teacher names each item and briefly explains its purpose.

Pupils’ Activity: Students identify the PPE items and listen to their names and uses.

Learning Point: Identification of PPE

Step 4: Demonstration of Correct Use of PPE

Time: 7 minutes

Teaching Skill: Demonstration/Modelling

Teacher’s Activity: The teacher demonstrates the correct way to wear and use each piece of PPE, such as putting on gloves, wearing safety goggles, and using an antistatic wrist strap (if available).

Pupils’ Activity: Students observe the teacher’s demonstration carefully.

Learning Point: Proper use of PPE

Step 5: Discussion on Safe Working Conditions

Time: 5 minutes

Teaching Skill: Discussion/Reinforcement

Teacher’s Activity: The teacher leads a discussion on what constitutes safe working conditions during mobile phone repair, emphasising cleanliness, proper ventilation, and tool organisation.

Pupils’ Activity: Students contribute to the discussion, sharing ideas on maintaining a safe workspace.

Learning Point: Safe working conditions

Step 6: Practical Application/Guided Practice

Time: 4 minutes

Teaching Skill: Guided Practice/Observation

Teacher’s Activity: The teacher supervises students as they practice putting on and taking off some PPE (e.g., gloves, goggles) and arranging a mock repair area to demonstrate safe working conditions.

Pupils’ Activity: Students practice using PPE and arranging a safe workspace under supervision.

Learning Point: Practical safety application

Step 7: Evaluation/Review

Time: 5 minutes

Teaching Skill: Questioning/Assessment

Teacher’s Activity: The teacher evaluates the learning by asking the following questions:

1. Mention three safety rules for handling tools in mobile phone repairs.
2. List two types of Personal Protective Equipment (PPE) and their uses.
3. How can you ensure a safe working condition during mobile phone repair?

Pupils’ Activity: Pupils answer orally and in writing.

Learning Point: Safety rules understanding

Step 8: Note-Taking

Time: 4 minutes

Teaching Skill: Guided Writing

Teacher’s Activity: The teacher guides pupils/students to copy the essential Board Summary notes on safety rules and PPE into their notebooks.

Pupils’ Activity: Pupils/students copy the notes carefully into their notebooks.

Learning Point: Safety notes copying

Step 9: Conclusion

Time: 2 minutes

Teaching Skill: Summarization

Teacher’s Activity: The teacher summarises the key safety rules and the importance of using PPE in mobile phone repairs, reminding students that safety should always be their top priority.

Pupils’ Activity: Students listen and internalise the concluding remarks.

Learning Point: Reinforcement of safety

Continuous Assessment/Further Study

Type: Homework

Instruction: Research and write down three additional safety tips or precautions not discussed in class, that are important when repairing mobile phones.

1. What is the purpose of an antistatic wrist strap?
2. Why is it important to work in a well-ventilated area when soldering?
3. Identify a common household tool and discuss one safety rule for its use that can also apply to mobile phone repair tools.

Lesson Keywords

• Safety – Measures taken to protect against harm or danger.
• PPE – Personal Protective Equipment, items worn to minimise exposure to hazards.
• Antistatic – Designed to prevent the buildup of static electricity.
• Soldering – The process of joining two or more items by melting and putting a filler metal into the joint.
• Respirator – A device worn over the mouth and nose to prevent the inhalation of harmful substances.
• Hazard – A danger or risk.

Differentiation

For weaker learners, the teacher will provide simplified charts and focus on identifying basic PPE and one or two critical safety rules. Faster learners can be challenged to research and present on specific types of hazards in mobile phone repair beyond those discussed in class.

Suggested Lesson Videos

Search YouTube for “mobile phone repair safety rules JSS1”

Teacher Guide for Using This Lesson Plan

Before the lesson, gather all the listed Instructional Materials, especially the PPE and some basic repair tools, for effective demonstration. Begin by engaging students with questions about general safety to build a foundation for the topic. Guide the discussion on safety rules, ensuring students understand the rationale behind each rule. When demonstrating PPE, allow students to handle and practice wearing some items under strict supervision. During the practical application, move around the classroom to observe and correct any unsafe practices. Encourage active participation throughout the lesson. Ensure students copy the Board Summary accurately during the note-taking stage. Emphasise that safety is a continuous practice, not just a one-time lesson.