used to sterilize objects and kill cancer cells., Used to see inside bodies and other objects., Absorbed by the skin and used in fluorescent tubes., Allows us to see objects and colour., Transmit heat from the sun, fires and radiators., Used in cooking and sending signals for telecommunication., Used to broadcast radio and television.

Classifica

Stile di visualizzazione

Opzioni

Cambia modello

Ripristinare il titolo salvato automaticamente: ?