Again, go to Architects and Engineers for 911 Truth. It is there you'll find all the evidence you seek. To say you're in construction doesn't provide you with any knowledge of material strengths and design. This belongs to the Engineering and Architect realm. If a carpenter building a house is killed because a load bearing beam was used improperly doesn't give construction workers knowledge of the designed capacity of load bearing beams. In other words, the carpenter builds according to what he is instructed to build.
Again, go to Architects and Engineers for 911 Truth. It is there you'll find all the evidence you seek. To say you're in construction doesn't provide you with any knowledge of material strengths and design. This belongs to the Engineering and Architect realm. If a carpenter building a house is killed because a load bearing beam was used improperly doesn't give construction workers knowledge of the designed capacity of load bearing beams. In other words, the carpenter builds according to what he is instructed to build.