वह खिड़की जो अधिक प्रकाश और हवा देने के लिए भवन के कमरे से बाहर की ओर निकली होती है, कहलाती 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?