4.1 Kies 'n term uit KOLOM B wat by 'n dak in KOLOM A pas - NSC Civil Technology Woodworking - Question 4 - 2019 - Paper 1

F - spaarbintpad

D - hoofstyldak

E - Suid-Afrikaanse (Howe-)dak

C - grasdak

In this step, you need to create a scaled drawing of the toe dakkap (foot of the roof) and show the following:

• The plan must be drawn with a scale of 1:10.
• Indicate the size of the footing at 230 mm x 38 mm with appropriate measurements for the hanger and draer.
• Ensure to include the 6 mm veselentsembord with the specific arrangement required.

In this table, compare:

• Material Usage:
  • Skilddak uses more material as it requires a more intricate design due to its covering.
  • Gewel dak is considered simpler in design and typically uses less material.
• Construction:
  • Skilddak has a steeper slope on all sides, enhancing structural integrity under the load.
  • Gewel dak has a flatter angle which may require additional support structures.

The three different methods to connect parts of a roof include:

1. Using bolts and nuts for secure attachment.
2. Employing adhesives for a seamless bond.
3. Utilizing welding for permanent fastening.

Two components that can be used to hold a ceiling trap door in position include:

1. Spring-loaded hinges for easy operation.
2. A latch mechanism to securely hold the door in place.

The minimum dimensions for the opening of a valdeur must be at least 610 mm x 610 mm.

The machine is a portable electric saw.

Two personal safety equipments to wear while using this machine are:

1. Safety goggles to protect the eyes from debris.
2. A dust mask to prevent inhalation of sawdust.

The machine will store in a secure place, away from moisture and hazards, ensuring it remains functional and safe to use.

Three safety measures while operating the machine include:

1. Keep hands away from the rotating blade.
2. Make sure all clamps and adjustments are secured.
3. Inspect the area for any hazards before starting.

Ensure that the item is regularly inspected and cleaned to avoid damage and maintain efficiency during operation.

Five steps for sanding two layers of sandpaper on a door are:

1. Remove old locks.
2. Wipe the surface of the door to remove dust.
3. Use medium grit sandpaper first, followed by fine grit.
4. Sand in the direction of the grain of the wood.
5. Finish with a clean cloth to remove any remaining dust.