Workshop Safety Rules (5 marks)
1. Always wear appropriate personal protective equipment (PPE).
2. Keep the workshop clean and free of hazards.
3. Use tools and machines only for their intended purpose.
4. Follow all safety instructions when operating machinery.
5. Report any accidents or hazards immediately.
Types of Workshop Accidents (5 marks)
1. Cuts and punctures from sharp tools.
2. Burns from hot equipment like irons.
3. Slips, trips, and falls due to clutter.
4. Electrical shocks from faulty wiring.
5. Needle pricks and hand injuries from sewing machines.
Definition of Safety (1 mark)
Safety is the state of being protected from harm, injury, or danger.
Personal Protective Equipment (PPE) in a Clothing Construction Workshop (4 marks)
1. Safety gloves
2. Apron or lab coat
3. Safety goggles
4. Closed-toe shoes
(Extra Answers)
5. Face mask
6. Ear protection
Types of Sewing Machines (3 marks)
1. Domestic sewing machine
2. Industrial sewing machine
3. Overlock (serger) sewing machine
Firefighting Equipment (4 marks)
1. Fire extinguisher
2. Fire blanket
3. Fire hose reel
4. Sand bucket
Reasons for Workshop Safety (4 marks)
1. Prevents injuries and accidents.
2. Ensures a productive work environment.
3. Protects machines and tools from damage.
4. Reduces costs related to medical emergencies and repairs.
Tools and Supplies for Sewing Machine Operation (5 marks)
1. Bobbins
2. Needles
3. Thread
4. Scissors
5. Measuring tape
Mechanisms of a Sewing Machine (4 marks)
1. Feed mechanism – moves fabric under the needle.
2. Needle mechanism – pierces fabric to create stitches.
3. Bobbin mechanism – supplies the lower thread.
4. Stitching mechanism – interlocks threads to form stitches.
Benefits of PPEs (3 marks)
1. Protects against injuries and hazards.
2. Reduces exposure to dust, chemicals, and sharp objects.
3. Enhances comfort and confidence while working.
Definition of First Aid (2 marks)
First aid is the immediate and temporary care given to an injured or sick person before professional
medical help arrives.
Items Found in a First Aid Kit (5 marks)
1. Bandages
2. Antiseptic wipes
3. Scissors
4. Adhesive plasters
5. Pain relievers
SECTION B (60 MARKS)
Difference Between Industrial and Domestic Sewing Machines (6 marks)
Processes in Sewing Machine Operation
1. Placement of the Foot (2 marks)
Position the presser foot on the fabric evenly.
Lower the presser foot to hold the fabric securely in place.
2. Adjusting the Stitch Length (2 marks)
Use the stitch length dial or lever.
Choose a short stitch for finer details and a longer stitch for gathering or basting.
Process of Winding and Threading the Bobbin (10 marks)
1. Place the empty bobbin on the winding spindle.
2. Pass the thread through the tension disc.
3. Wrap the thread around the bobbin a few times.
4. Engage the winding mechanism and press the foot pedal.
5. Stop when the bobbin is full and cut the thread.
6. Insert the bobbin into the bobbin case.
7. Pull the thread through the slot and guide it under the spring.
8. Insert the bobbin case into the machine.
9. Bring up the bobbin thread by turning the handwheel.
10. Pull both threads towards the back before sewing.
Factors to Consider When Purchasing a Sewing Machine (10 marks)
1. Type of fabric to be sewn
2. Stitching speed and variety
3. Machine durability and brand reputationr
4. Ease of maintenance and servicing
5. Budget and price
6. Availability of spare parts
7. Type of motor (mechanical, electronic, or computerized)
8. Portability and weight
9. Noise level
10. Additional features like embroidery capability
Possible Faults and Remedies in Sewing Machines
1. Excess Noise While Stitching (3 marks)
Causes: Lack of oiling, loose parts, lint buildup
Remedies: Oil the machine, tighten screws, clean the machine
2. Needle Breaking (4 marks)
Causes: Wrong needle size, incorrect threading, pulling fabric too hard
Remedies: Use the correct needle, rethread, guide fabric gently
3. Fabric Puckering (3 marks)
Causes: High thread tension, incorrect needle type, uneven feeding
Remedies: Adjust tension, use the right needle, ensure smooth feeding
Operating Procedure of a Sewing Machine and Precautions (10 marks)
1. Plug in and switch on the machine.
2. Thread the upper thread and insert the bobbin.
3. Adjust the stitch settings.
4. Place the fabric under the presser foot.
5. Lower the presser foot and start stitching.
6. Guide the fabric smoothly while sewing.
7. Reverse stWorkshop Safety Rules (5 marks)
1. Always wear appropriate personal protective equipment (PPE).
2. Keep the workshop clean and free of hazards.
3. Use tools and machines only for their intended purpose.
4. Follow all safety instructions when operating machinery.
5. Report any accidents or hazards immediately.
Types of Workshop Accidents (5 marks)
1. Cuts and punctures from sharp tools.
2. Burns from hot equipment like irons.
3. Slips, trips, and falls due to clutter.
4. Electrical shocks from faulty wiring.
5. Needle pricks and hand injuries from sewing machines.
Definition of Safety (1 mark)
Safety is the state of being protected from harm, injury, or danger.
Personal Protective Equipment (PPE) in a Clothing Construction Workshop (4 marks)
1. Safety gloves
2. Apron or lab coat
3. Safety goggles
4. Closed-toe shoes
(Extra Answers)
5. Face mask
6. Ear protection
Types of Sewing Machines (3 marks)
1. Domestic sewing machine
2. Industrial sewing machine
3. Overlock (serger) sewing machine
Firefighting Equipment (4 marks)
1. Fire extinguisher
2. Fire blanket
3. Fire hose reel
4. Sand bucket
Reasons for Workshop Safety (4 marks)
1. Prevents injuries and accidents.
2. Ensures a productive work environment.
3. Protects machines and tools from damage.
4. Reduces costs related to medical emergencies and repairs.
Tools and Supplies for Sewing Machine Operation (5 marks)
1. Bobbins
2. Needles
3. Thread
4. Scissors
5. Measuring tape
Mechanisms of a Sewing Machine (4 marks)
1. Feed mechanism – moves fabric under the needle.
2. Needle mechanism – pierces fabric to create stitches.
3. Bobbin mechanism – supplies the lower thread.
4. Stitching mechanism – interlocks threads to form stitches.
Benefits of PPEs (3 marks)
1. Protects against injuries and hazards.
2. Reduces exposure to dust, chemicals, and sharp objects.
3. Enhances comfort and confidence while working.
Definition of First Aid (2 marks)
First aid is the immediate and temporary care given to an injured or sick person before professional
medical help arrives.
Items Found in a First Aid Kit (5 marks)
1. Bandages
2. Antiseptic wipes
3. Scissors
4. Adhesive plasters
5. Pain relievers
---
SECTION B (60 MARKS)
Difference Between Industrial and Domestic Sewing Machines (6 marks)
Processes in Sewing Machine Operation
1. Placement of the Foot (2 marks)
Position the presser foot on the fabric evenly.
Lower the presser foot to hold the fabric securely in place.
2. Adjusting the Stitch Length (2 marks)
Use the stitch length dial or lever.
Choose a short stitch for finer details and a longer stitch for gathering or basting.
Process of Winding and Threading the Bobbin (10 marks)
1. Place the empty bobbin on the winding spindle.
2. Pass the thread through the tension disc.
3. Wrap the thread around the bobbin a few times.
4. Engage the winding mechanism and press the foot pedal.
5. Stop when the bobbin is full and cut the thread.
6. Insert the bobbin into the bobbin case.
7. Pull the thread through the slot and guide it under the spring.
8. Insert the bobbin case into the machine.
9. Bring up the bobbin thread by turning the handwheel.
10. Pull both threads towards the back before sewing.
Factors to Consider When Purchasing a Sewing Machine (10 marks)
1. Type of fabric to be sewn
2. Stitching speed and variety
3. Machine durability and brand reputation
4. Ease of maintenance and servicing
5. Budget and price
6. Availability of spare parts
7. Type of motor (mechanical, electronic, or computerized)
8. Portability and weight
9. Noise level
10. Additional features like embroidery capability
Possible Faults and Remedies in Sewing Machines
1. Excess Noise While Stitching (3 marks)
Causes: Lack of oiling, loose parts, lint buildup
Remedies: Oil the machine, tighten screws, clean the machine
2. Needle Breaking (4 marks)
Causes: Wrong needle size, incorrect threading, pulling fabric too hard
Remedies: Use the correct needle, rethread, guide fabric gently
3. Fabric Puckering (3 marks)
Causes: High thread tension, incorrect needle type, uneven feeding
Remedies: Adjust tension, use the right needle, ensure smooth feeding
Operating Procedure of a Sewing Machine and Precautions (10 marks)
1. Plug in and switch on the machine.
2. Thread the upper thread and insert the bobbin.
3. Adjust the stitch settings.
4. Place the fabric under the presser foot.
5. Lower the presser foot and start stitching.
6. Guide the fabric smoothly while sewing.
7. Reverse stitch to secure
itch to secure
