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.
Average Call Duration (ACD) is a term used in telecommunications to describe the average amount of time a given person or group spends on each phone call. This is an important metric, because it helps service providers predict the amount of phone traffic their systems will experience over time.