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 on a treadmill is a measure of exercise capacity â the workload the body can achieve expressed as metabolic equivalents, or METs, a multiple of the amount of oxygen the body uses at rest. The average middle-age man can reach 10 to 12 METs, about 2 METs more than the average woman, Dr. Miller said.