The sprue with square or hexagonalsection is superior to the sprue with round section for technological yield of the casting by theoretical analysis and actual verification.
The surface of the Wanda Reign Hotel in Wuhan, China, comprises 902 hexagonal aluminium modules that lean forward and are angled in section to protect the rooms from solar gain.
The cross section of the end of the dust collection pole plate (3) is hexagonal; a plurality of dust collection pole plates (3) are arranged in honeycomb.