You must be diagnosed with parathyroid disease (hyperparathyroidism) if your parathyroid hormone level is high and your calcium level is also high. The excess parathyroid hormone is the CAUSE of the high calcium. The high calcium is caused by a parathyroid tumor--nothing else will cause this.
The ridge of a sloped roof system is the horizontal top area where two sloped roof areas meet. The National Roofing Contractors Association defines ridge as Highest point on a roof, represented by a horizontal line where two roof areas intersect, running the length of the area.. The ridge area on sloped roof systems should be capped to ensure a watertight roof system as well as aesthetic appeal.
It is the strongest. type of roof because it is braced by four hip rafters. These hip rafters run at a 45Â° angle from each corner of. the building to the ridge. A disadvantage of the hip roof. is that it is more difficult to construct than a gable roof.