Does Inhaling Dust From Drilling Break Fast?
Based on this opinion of dr shehzad saleem, I think it will not break your fast. However you should be careful as the dust from drilling may damage your lungs. “Use of the inhaler and nebulizer while fasting cannot be regarded as prohibited because nothing enters the stomach in the process”. http://www.shehzadsaleem.com/inhalers-while-fasting/ ) Even if it breaks the fast, it was unintentional l, hence only keeping an extra fast will suffice. @Irfan76 sb may share his scholarly opinion