id	keyword
easat-11338	steel
easat-11338	vol
easat-11338	material
easat-11338	mass
easat-11338	frame
easat-11338	aluminum
easat-11338	weight
easat-11338	structural
easat-11338	science
easat-11338	safety
easat-11338	technology
easat-11338	cost
easat-11338	fos
easat-11338	authors