Because of the malleability of lead, these sheets can be shaped closely to awkward shapes, such as the junction of a sloping roof and a chimney, without the need for the sheet to be cut. Cuts in the sheet would create a potential leak site. Copper is also used for this purpose as it is also durable and malleable.
A number of factors increase the risk of developing grand mal seizures. Not all people with risk factors will get grand mal seizures. Risk factors for grand mal seizures include: 1  Family history of certain genetic conditions. 2  Family history of epilepsy. 3  Recent brain surgery. 4  Recent head injury. 5  Recent infection of the brain.
The following signs and symptoms occur in some but not all people with grand mal seizures: 1  Aura. 2  A scream. 3  Loss of bowel and bladder control.  Unresponsiveness after 1  convulsions. Confusion. 2  Fatigue. Severe headache.