Since there was no metal, tools were made from local materials.

It was built between 1924 and 1925 using local materials.

These may have been made from local materials, and perhaps they were built by the same person.

Using local materials keeps costs down and couples often work together, although 35 percent of the students are single women.

Traditional arts are based on the creative use of local and natural materials.

They built roads and a number of small buildings from local materials which are still standing today.

And it was all done by hand, with local materials.

In the first instance, it recommended the use of local materials.

Many local materials were used in an effort to save on costs.

The tradition of using local materials continues to this day.