LA43Mke motsoako o phahameng oa ultra-light magnesium-lithium (Mg-Li) o entsoeng ka boikemelo ke bahlahisi ba malapeng, o kopanyang melemo ea boima ba 'mele bo bobebe, matla a phahameng, ho hanyetsa kutu, le ts'ebetso e babatsehang. E le sesebelisoa sa phetoho se bobebe, se phunyeletsa lits'ebetsong tsa lisebelisoa tsa khale tsa magnesium le lialloys tsa aluminium, 'me li tsebahala haholo libakeng tse phahameng tse kang sefofane, lisebelisoa tsa elektroniki tsa 3C le lisebelisoa tsa bongaka.
Ka boima bo tlase joalo ka 1.64g/cm³ (30% e bobebe ho feta lisebelisoa tsa aluminium le 50% e bobebe ho feta tšepe),LA43Me finyella ho leka-lekana ho phethahetseng pakeng tsa "boima bo bobebe" le "thepa ea mechine", e fana ka tharollo e nepahetseng ea thepa bakeng sa liindasteri tse phehellang ho boloka matla, ho ntlafatsa ts'ebetso, le miniaturization.