A »To ensure proper ventilation during indoor construction, a contractor should use a combination of mechanical ventilation systems like exhaust fans and natural ventilation by opening windows and doors. It's crucial to regularly monitor air quality and use air purifiers if needed. Additionally, scheduling work when fewer people are present helps minimize exposure to dust and fumes, ensuring a safer environment for everyone involved.

A »A contractor ensures proper ventilation during indoor construction by installing temporary ventilation systems, using exhaust fans, and opening windows when possible. They also monitor air quality and adjust ventilation strategies as needed to prevent dust and fume buildup, maintaining a safe working environment for workers.