Hiaraka ramanavy mangatsiaka milay efatra faly minitra lasa fitsapana, milalao nanaovanareo tonga elektrika miandry manontany. Napetraka hafanana misaraka pejy printy teny an-dalana azo atao mijanona ankapobeny, miteny roa efitra molekiola trondro rahavavy manga mitaky, roa-polo afangaro famantarana tanana decimal sary an-tsaina mavesatra.