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fire
Smoke signals for example.
smoke signals
Smoke signals were used to communicate with other people from far away when they were in trouble and needed help. Old Indian tribes would have special signals to communicate to there own tribe that was far away. Because anyone could see the smoke signals, the sender and the receiver of the smoke signals had their own special code.
what are the advantages and disadvantages to hiring your friends in you company
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The advantages are the oil is cheap and you can take them around with you. The disadvantage is they can catch things on fire.
Indians used smoke to communicate from a distance. Also smoke signals are used to signal aircraft landing points, and people in distress, To make a smoke signal: Make a small fire, Addfresh greenery to the fire (leaves), and leave the amount of smoke generated because of the greenery will create enough of a signal to attract the attention of any person with any knowledge about survival skills.
It's strong and fire proof - but its expensive.
In "Lord of the Flies," the boys use green branches and leaves from the island to make the fire give off more smoke. They discover that adding these materials helps the fire create more visible smoke signals.
the advantage is the design is complicated
Advantages - Paste is the some colour as ejaculant Disadvantages - It's much easier to set on fire. I have had great success with wall paper. I find that it adds a timeless aspect to any room!