1. Pick up the microscope by the ____ and place a hand underneath the ____ as a support. 2. Make sure the ____ is lowered all the way down and the ____ power lens in facing the stage. 3. Place the microscope ____ onto the stage and use ____ to secure it in place. 4. Turn on ____ and the ____ source.

Výsledková tabule/Žebříček

Vizuální styl

Možnosti

Přepnout šablonu

Obnovit automatické uložení: ?