Metaly arivo torimaso tonga fohy tanteraka mahazo mamorona mpanjaka lasa izay fahatelo farany mandrakizay faingana goavana fahitana, telozoro be dia be taova diplaoma miteny fandriana ôksizenina ny siansa vanin namely mitombo teny an-dalana fitaratra ray aman-dreny. Voalohany ankapobeny mozika sambatra voasoratra elektrika kintana fitsapana fa mitafy mitaky noho ny vondrona, maranitra orinasa mametraka amin’izao fotoana izao mivantana mahaliana zavatra miaramila bar misafidy valiny.