Ugur ameqqran n tsuqilt , d lexṣas n yimawalen (la chemie) ulac agdazal –nsen deg tmaziɣt , ɣef waya imsuqel yettuɣal yal tikilt ɣer unarḍul seg tutlayin tibaraniyin , ma yella ulac agdazal n kra n wawalen neɛna tamsalt n usnulfu Md : imeḥrez (conservateur) . d asnulfu seg uẓar i yellan deg tmaziɣt seg umyag (ḥrez) s tmerna n uzwir « im » 82