Batrị nchekwa ike nke ụlọ dị elu na-anabata usoro nhazi nhazi modular, na-enye ohere ka ọtụtụ modul batrị nwere sistemu nchịkọta njikwa na-achịkọta usoro nchịkọta ma na-ejikwa usoro njikwa njikwa izugbe.