Uses of Tools in Life

Science

Not quite remember

I easily remember

Tools

A tool consists of a combination of simple machines to function properly

Uses of tools in life

A tools is invented to enable human to do work easier, faster and more comfortable

The function of simple machines on the scissors

The function of simple machine on the hoe

Sustainable machines

A sustainable machine is a machine that is not easily damaged, durable, simple, safe to use and does not bring a bad impact to the environment

Life span

The created machines should have high efficiency performance, last for a long time and can be used for a long period of time

Safety

The created machines should be safe to use and user friendly

Invention of machines are important to humans

The advancement in technology has allowed humans to design and invent machines to help us to do our work easier and faster

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