Which type of hammer, with a rounded head, is used for shaping metal?

Which word names both a type of crane and a type of cough? Which word names both a type of eucalyptus tree and something kids chew? Which word names both a type of far-out 1960s music and the class of drugs that inspired it? Which word names both a type of fish and to sit on an elevated spot? What is an Italian countess called, like the "Barefoot" one in the 1954 Ava Gardner film? Which type of lamp is powered up by a ballast? Which large snake may be reticulated? Which word names both a type of lizard and a computer screen?