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.
In 1996, the American College of Sports Medi-cine and the Centers for Disease Control and Preven-tion (CDC) recommended that every adult in theUnited States accumulate 30 minutes or more of mod-erate-intensity physical activity on most, preferably all,days of the week.eprinted by permission of Elsevier Science from: The effectiveness of interventions to increase physical activity. Kahn EB, Ramsey LT, Brownson R, Heath GW, Howze EH, Powell KE, Stone EJ, Rajab MW, Corso P, Task Force on Community Preventive Services., American Journal of Prevention Medicine. Vol 22 No 4S, pp 73-107.