| 摘要 |
<p>Abstract Proposed extendable screed has the capability being un-assembled and reducing overall length to 1/3 of the overall length. It also has the ability to be connected and extended to a longer bar. It maintains a perfectly straight edge due to its screw clamp design which enforces the edge to remain in perfect line. The screed claims to be a portable solution to a very traditional tool that is used around the world as standard levelling equipment. The screed claims to be advantageous due to its portability. The screed claims to be cost effective due to the one unit does all for half the expense Extendable Screed With Level Pagel</p> |
