The production manager might perform personal inspections or oversee a group of quality-control workers. Routine preventive maintenance on manufacturing equipment can be important to avert potential standstills in production.
Toenails typically fall off due to either fungal infection or injury that results in a separation of the nail from the area of the toe called the nail bed, according to Foot Vitals. While pain is common with this type of injury, it is not guaranteed.
Obsessive-compulsive disorder can show up in the nails through persistent nail-biting or picking, Fox says. Even common disorders like thyroid disease can cause abnormalities in the nail beds, producing dry, brittle nails that crack and split easily. He lists the following 10 examples of nail changes that could indicate a serious medical condition.