填空题
A——Guard against damp. B——Handle with care.
C——Keep away from heat. D——Keep away from cold.
E——Keep dry. F——Keep flat.
G——No naked fire. H——No use of hooks.
I——Not to be thrown down. J——Open here.
K——Open in dark room. L——Protect against breakage.
M——Poison. N——Take care.
O——This side up. P——To be kept upright.
Q——Use no knives.
Examples：(G)严禁明火 (H)禁用吊钩