Ma imos ašrut wa oharan n ag-az n akal s ilzam i emar n ehan ad ikrišan?
Iddikud n ehan ehay akarach n sistem tan net wi maqqornen: edey, telay d fanetir tan, elektrik, plomber tan, HVAC (asammuti, afanaz d air conditioning)  "Edey eqqal fal iɣalayan win ajjama d win ammas, ajjotnen daɣ san aqqalan "addobat nen akarach" almaɣna n awen as idasan harat s afalla nasan chund afalla meɣ ehan" Takkayt d fanetir tan igdal nat s ammas n ehan daɣ ihandagan win ajjama, isammutay nat tamattit, adu d imudaran Išiwankan oɣadnen daɣ edag wen deɣ Sistem tan win elèktrik issewalan tanaya tan išikil n ajjama šund tagayt n assahat s ehan i axadam n isuj, efew, isalan win efew d haratan iyyad Sistem tan win plomber tan issewadan aman daɣ ehan i axadam daɣ ehan wan iddikud d ihanan win isikilan Sistem tan win HVAC ammanakayan fal ahinzazaɣ wan ammas, ammanakayan fal azzaman d afanaz i ad ikrichan ihanan