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.
No. For work activity to be substantial, it does not need to be performed on a full-time basis. Work activity performed on a part-time basis may also be substantial gainful activity. (See Â§Â§ 618 - 621 .).