What are the three characteristics of materials to be used for specific project?

Selection of material, Testing of Material, Cost of Material

1.Should be of good quality for durability

2.should be suitable for application at certain use

3.The cost of the material also matters,should not be too cheap or rather too expensive,but choose it according to its quality.

ok but what is your question? this is just a statement.

answer might be "si", would be better if you added answer choices