... classified into three categories: wall-bearing, skeleton, and long-span framing. Wall-bearing – the oldest and commonest type of framing – occurs … they are long-span framing”6. How many kinds ... are wall-bearing, skeleton and long-span framing.7. What are the qualities that bearing walls must have?=> Bearing walls must have enough strength and thickness.8. Why is wall-bearing ... Test no 3 I/ Choose the word or phrase that best completes the sentence. Circle A, B, C or D1. … is...