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 ka tlase ho 1.64g/cm³ (30% e bobebe ho feta lialloi tsa aluminium le 50% e bobebe ho feta tšepe), LA43M e fihlella ho leka-lekana pakeng tsa "boima bo bobebe" le "mechini ea thepa", e fana ka tharollo e nepahetseng bakeng sa liindasteri tse batlang ho baballa matla, ntlafatso ea ts'ebetso, le miniaturization.