Bilge keels are passive stability systems. On commercial shipping the bilge keel is the form of a strake, or small keel or blister, running along much of the length of the hull. They are typically fitted one on each side, low down on the side of the hull, so as not to increase the draft of the vessel.
Intensity is a measure of the strength of shaking experienced in an earthquake. The Modified Mercalli Scale represents the local effect or damage caused by an earthquake; the intensity reported at different points generally decreases away from the earthquake epicenter.
Intensity of physical activity. Intensity refers to the rate at which the activity is being performed or the magnitude of the effort required to perform an activity or exercise.It can be thought of How hard a person works to do the activity. The intensity of different forms of physical activity varies between people.ntensity refers to the rate at which the activity is being performed or the magnitude of the effort required to perform an activity or exercise. It can be thought of  How hard a person works to do the activity .