Xitolo xa . Aluminium coil ’s ku lwisana na maxelo ya kahle swinene switiyisisa leswaku yinga tiyisela swiyimo swo tika swa mbango, kukatsa na mahiselo yo tika swinene, UV radiation, na ndzhongho. Leswi swi endla leswaku yi faneleka eka switirhisiwa swa le handle, laha yi nga ta hlayisa muvala wa yona lowu hanyaka na ku hetiseka ka yona loku hatimaka eka malembe lama taka.