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.
The intensity of your workout may also determine the duration of an exercise session. Most people can maintain a brisk walk for a longer time than they can an all-out running pace, for example. The CDC notes that one minute of intense, or vigorous, activity equals about two minutes of more moderate activity.