Ụzọ iji chekwaa oghere na ibu bụ ịtụle iji arịa nwere ike ịdaba ma ọ bụ nke nwere ike ikpokọta maka mbupu na nchekwa. Ụdị arịa ndị a nwere ike ịpịaji ma ọ bụ tinye ọnụ mgbe ọ tọgbọ chakoo, na-enye ohere maka iji ohere rụọ ọrụ nke ọma n'oge njem. Na mgbakwunye, itinye n'ọrụ nha akpa nha nwere ike inye aka kwalite ọnụ ahịa ibu site n'ịkwalite ọnụ ahịa ngwaahịa enwere ike ibu na mbupu ọ bụla. Site n'itinye atụmatụ ndị a, ụlọ ọrụ ọchụnta ego nwere ike ọ bụghị naanị ịchekwa ego na mmefu mbupu kamakwa ibelata akara ụkwụ carbon ha site n'ibelata oke ohere efu n'oge njem.