ËéÒ§ËØé¹Êèǹ¨Ó¡Ñ´ àÍäÍ àÍ繨Ôà¹ÕÂÃÔè§ á͹´ì ÇÍàµÍÃì «ÔÊàµçÁ »ÃСͺ¸ØÃ¡Ô¨ãËéºÃÔ¡ÒÃÍ͡Ẻ ¨Ñ´ËÒáÅÐ µÔ´µÑé§«èÍÁºÓÃØ§§Ò¹ÃкºÇÔÈÇ¡ÃÃÁÊÓËÃѺ ÍÒ¤ÒÃÊӹѡ§Ò¹ ÍÒ¤ÒþҳԪÂì ·ÕèÍÂÙèÍÒÈÑ âçáÃÁ âç¾ÂÒºÒÅ ÈÙ¹Âì¡ÒäéÒ âç§Ò¹ÍصÊÒ¡ÃÃÁ Ẻ¤ÃºÇ§¨Ã ·Ñé§ÀÒ¤ÃѰ áÅÐÀÒ¤àÍ¡ª¹ â´Âà»ç¹·Ñé§¼ÙéÃѺàËÁÒâ´ÂµÃ§ (Main Contractor) áÅÐà»ç¹¼ÙéÃѺàËÁÒªèǧ (Sub-Contractor) ´Óà¹Ô¹§Ò¹áÅФǺ¤ØÁ§Ò¹â´ÂÇÔÈǡüÙéÁÕ»ÃÐʺ¡Òóì ã¹á¢¹§µèÒ§ æ