factors are used for smother land by fertilization people
fertilization is enrichment. gate_creation is not semiconductor_wafer_processing_single_wafer. fertiliser is chemical. external_fertilization is egg_fertilization. pollination is not fertilization. gate_creation is semiconductor_wafer_processing_single_wafer. fertilization is creation. pollination is fertilization. fertilization is not creation. external_fertilization is not egg_fertilization.