ईंट तोड़ने वाले हथौड़े (brick hammer) का एक सिरा ______ होता है और दूसरा सिरा तेज धार वाला होता है।

Which of the following statements conform(s) to panel walls in building construction? 1. Panel walls are external load bearing walls. 2. They are self supporting walls subjected to lateral loads. 3. They are primarily used in framed structures.

Which of the following statements conforms to 'corbels' in masonry?