When these crystals are cooled, They may be sliced into thin wafers and assembled together to form a polycrystalline solar panel. They're often known as “multi-crystalline” panels. "This can be an interesting challenge, and Yates Development is devoted to currently being a collaborative companion through the execution on the challenge." https://randomsingapore.com/solar-panel-maintenance-in-singapore-best-practices-for-longevity/