Vitek VTC-3516 Especificações descarregar pdf (Página 21)

Design and Applied Technology (Secondary 4-6)

A design sketch

(a) Verbal Description

It is cheap and useful, especially when the operations and use of a product are presented.

However, this method is not comprehensive.

(b) Flowcharts

Flowcharts are good for presenting the operations of a product. However, some people may

not understand the standard flowcharts.

Computer-aided Design (CAD) software can show three dimensional coloured pictures, and

also create details, such as material textures, light effects, shadows and mirroring on glass

surfaces visible to audience.

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Vitek VTC-3516 Especificações Página 21