Determine if the situation below is a safe practice: jose knows he should use protective eyewear while welding, but he's only got a quick job to do and doesn't want to waste time looking for a facemask, so he goes ahead and does the job without it.

Foreign Invasion. A series of foreign invasions affected Mughal Empire very badly. Attacks by Nadir Shah and Ahmad Shah Abdali, which were themselves the consequences of the weakness of the Empire, drained the Empire of its wealth, ruined its trade and industry in the North, and almost destroyed its military power.