Hardie plank siding is a premium brand of cement board siding (also known as fiber cement board siding) produced by the James Hardie Company.ardie plank can be purchased with a wood-grain look, a plain smooth look or a stucco type finish. Hardie plank also comes in simulated cedar shingle planks.
activity duration. Period (hours, days, weeks) required to complete an activity. Activities with zero duration are called milestones.
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.onsequently, the examples given below are provided as a guide only and will vary between individuals. 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 .