| 摘要 |
<p>A blocklayer's level-indicating line holder (1) which can mounted spaced apart on building blocks or bricks (2) to support a level indicating line taut between them to facilitate the laying of a course of blocks (2). The holder (1) has two right angled arms (10) connected by a plate (20) forming a bridging piece. The level-indicating line is wrapped round a bollard (13), into a slot (4) and then jammed into a groove (16) in an upright (11) forming part of the right angled arm 10. <IMAGE></p> |
