A—Assembly line B—Packer
C—Forklift D—Explosive materials
E—Fire extinguisher F—Loading dock
G—Machine operator H—Electrical hazard
I—Conveyor belt J—Safety boots
K—Shipping clerk L—Time card
M—Warehouse N—Hard hat
O—Earplug P—Hand truck
Q—Safety earmuffs ______二时卡 ______安全靴