Gr 7 Maintenance of Tools

Which is NOT the proper care practice of measuring tools?

• Always inspect your measuring tools for damage or defects

• Use every measuring tools whatever you want

• Wipe clean all tools before and after use

• Handle every measuring tools before and after use

Tools and Equipment can be made of:

• Wood, Metal and Plastic

• Wood, Plastic and Rubber

Why it is need to oil measuring tools with metals?

• to handle it barely and effectively while in usage

• to determine its function and worth

• to have easy handling and prevent rust

• to include additional designs and reflections

Why does measurements important in mechanical drafting?

• it supports no accuracy and no standards in a product

• it supports drafting tools to lessen its function

• it helps drafting to include designs that is needed in planning

• it helps drafting to produce accurate finished product

A combination of several conventional drafting tools.

• Parallel Bar

• Drafting Machine

A drafting paper that is used for technical drawing and can be used for reproducing copies of drawing.

• Tracing Paper and Onion Skin Paper

• Graph Paper and Drafting Paper

Kind of drafting paper that used in creating schematics for technical drawings that do not require scale.

• Tracing Paper

• Graph Paper

• Onion Skin Paper

Made of thin flat metal or plastic with cut-outs of various sizes and shapes used to protect that drawn lines from being erased.

• Template

• Eraser

• Erasing Shield

• Ruler

An inverted V-shaped instrument that is used in drawing arcs and circles.

• Protractor

• Compass

• Triangles

• T-Square

Common Malfunction of Pencil.

• Pencils fall and break.

• Pencils leave ink onto paper.

• There is no malfunction.