RJ12 lugeeyayaasha iyo baakadaha qalabka la socodka shucaaca shucaaca waa qalabka la socodka shucaaca ee lugaha iyo shandadaha.Waxay leedahay sifooyinka dareenka sare, baaxadda ogaanshaha ballaaran iyo waqtiga jawaabta gaaban, waxayna xaqiijin kartaa digniinta shucaaca tooska ah, kaydinta xogta tooska ah iyo hawlo kale.Habka aqoonsiga wejiga ee ikhtiyaariga ah, oo lagu daray habka meelaynta tooska ah, ayaa ka heli kara dadka laga shakiyo aagga bartilmaameedka.Waxaa loo isticmaali karaa meelo kala duwan oo ka mid ah kanaalada soo dejinta iyo dhoofinta, sida xuduudka dhulka, garoonka diyaaradaha, saldhigga tareenada, saldhigga tareenada dhulka hoostiisa mara, xarumaha ganacsiga, iwm.