Finishing a wall job can be a real test of patience, especially when sanding's involved. The UNIMAC 1800W Drywall Sander Plaster Automatic Wall Gyprock Vacuum System aims to make that job far more manageable—keeping both your pace and workspace cleaner along the way.This tool is designed as a powered drywall sander with an integrated vacuum system. It's meant to take the muscle out of sanding plaster and gyprock, while minimising…