गैरेज और गोदामों में बड़े द्वारों के लिए आमतौर पर किस प्रकार के दरवाजे का उपयोग किया जाता 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?