For instance, when Levin and Gaeth (1998) classified beef as having a composition of either 75% lean or 25% fat, individuals preferred beef with a 75% lean composition (i.e., beef described with a positive format) [4]. Negative attribute framing effects occur when the key features of a...
when you build a steel hangar kits, there are a lot of chooices for the type and apperance , For structure frame: you can make the building high and low span, lean to building, overhead crane,Mezzanine,steel stairs, steel handrai,cat ladderl etc For the bui...