An industrial cleaner is a perfect tool for cleaning rougher areas, like construction sites. The cord is 4 metres long, perfect for smaller areas.
From ManoMano
Draper - 48499 - Wet & Dry Vacuum Cleaner with Stainless Steel Tank, 50L, 1400W & 230V Power Tool Socket
DIY Car Service Parts
DRAPER 50L 1400W 230V Wet & Dry Vacuum Cleaner with Tank & 230V Socket | 48499