Weight capacity is the determining factor when choosing what gauge steel shelving to. use for your records storage. If lighter-gauge steel shelving provides the necessary. weight capacity for your records, you may choose to purchase it.
The amount of blood in the penis increases sixfold during an erection. The blood filling the corpora cavernosa compresses and then closes off the openings to the veins that normally drain blood away from the penis (see Figure 4). In essence, the blood becomes trapped, maintaining the erection.
The causes of erection problems can be physical, psychological, or a combination of the two. Physical causes of erection problems are more common in older men. They occur because of disorders that can affect the nerves and blood vessels responsible for causing an erection. 1  Physical causes of erectile problems include: 2  heart disease. 3  atherosclerosis (hardening of the arteries). 4  high blood pressure. 5  diabetes. 6  obesity. 7  high cholesterol. 8  Parkinsonâs disease.