http://www.isnare.com/?s=author&a=Megan+Ellis Home Management Megan Ellis Wed, 16 Jan 2008 00:00:00 +0800 http://www.isnare.com/?aid=214373&ca=Home+Management A ladder is simply a vertical or inclined set of rungs or steps. There are pictures of ladders on rock paintings which date back to over thousands of years. The original one was most probably made of tree trunks. From there it progressed to a steadier wooden one and then to a rope one and now of cou...