The procedure is not necessary when: 1  There is complete internal carotid artery obstruction (because there is no benefit to treating chronic occlusion). 2  The patient has a previous stroke on the ipsilateral side with severe neurologic deficits, because there is no brain tissue at risk for further damage.he procedure is not necessary when: 1  There is complete internal carotid artery obstruction (because there is no benefit to treating chronic occlusion). 2  The patient has a previous stroke on the ipsilateral side with severe neurologic deficits, because there is no brain tissue at risk for further damage.
A pole barn under construction. A pole barn under construction. Pole framing or post-frame construction (pole building framing, pole building, pole barn) is a simplified building technique adapted from the labor-intensive traditional timber framing technique. It uses large poles or posts buried in the ground or on a foundation to provide the vertical structural support and girts to provide horizontal support.
barn (b), A unit of area for effective cross-section of atomic nuclei with respect to atomic projectiles; equal to 10 -24 cm 2.arked by an infinite variety of designs and internal fittings, they usually contain a feed storage area, often as a haymow or loft in a top storey, and animal stalls and handling facilities such as a milking parlor on the ground floor. free stall barn.