BACK HANDLING YOUR GLASSWARE WITHOUT AN APPROPRIATE DEGREE OF CARE COULD RESULT IN BREAKAGE, CHIPPING, CRACKING OR SEVERE SCRATCHING. DO NOT USE OR REPAIR ANY GLASSWARE THAT IS CHIPPED, CRACKED CR SEVERELY SCRATCHED. DO NOT DROP OR HIT GLASSWARE AGAINST A HARD OBJECT OR STRIKE UTENSILS AGAINST IT DONOR USE UNDER BROILER, OR ON TOP OF STOVE. NEVER USE ON UNDER A FLAME OR OTHER DIRECT HEAT SOURCE, INCLUDING ON A STOVE TOE UNDERHAND BROILER.