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.
(duration, frequency, or intensity) of physical activity. Regular physical activity that is performed on most days of the week. reduces the risk of developing or dying from some of the leading. causes of illness and death in the United States. Regular physical. activity improves health in the following ways: