SC.9 Marking Out Methods

Question 1

Scriber

Answer 1

Tool w sharp point to scratch shallow, thin lines into metal, timbers, plastics

Question 2

Tailor’s chalk

Answer 2

Makes temporary marking on fabric which can be brushed off. Used for marking seam allowances

Question 3

Engineer’s blue/layout stain

Answer 3

Used in metalwork to stain a metal object. This thin layer of dye can be scratched through to reveal bright outline. Can be removed after

Question 4

Centre punch

Answer 4

Used to mark centre point of hole for drilling. Forms enough of dimple in metal to act as guide for drill, reducing slipping

Question 5

Marker pens, pencils, chinagraph

Answer 5

Marker pens on polymers w protective film
Pencil can be removed from timber
Disappearing ink markers on fabrics
Polymers can be marked w chinagraph whcih is easily rubbed off

Question 6

Pattern or tracing wheel

Answer 6

Used to transfer otuline of a sewing pattern onto fabric

Question 7

Marking gauge

Answer 7

Uses small pincto mark wood as tool is dragged along it

Question 8

Engineer’s /comination square

Answer 8

For transferring angular measurements onto workpiece