摘要 |
<p>The frame has four timber bars prefabricated and bored in an industry, where the frame has external dimension of 60 x 30 cm and 30 x 30 cm and made of timbers with dimensions of 600 x 300 x 120 mm and 300 x 300 x 120 mm. Eight holes are provided at an upper side of the frame and four holes are provided at a lower side of the frame for retaining connection pieces, where the frame is attached to a compound system for constructing straight walls and partitions. The timbers have a cross section of 120 x 60 mm.</p> |