Nelson mixes shredded plastic waste materials with sand under high temperatures to mold the inexpensive building bricks.

纳尔逊将粉碎的塑料废料与高温下的沙子混合，以塑造廉价的建筑砖。

3 They said to one another, " Come, let us mold bricks and harden them with fire." They used bricks for stone, and bitumen for mortar.

3 他们彼此说：「来，我们做砖，用火烧透。」他们遂拿砖当石，拿沥青代灰泥。