Continuity mistake: When DeSoto starts to crack about what's upsetting him, Gage places a mop beside another mop, up against the door and it falls over. Next shot both mops are upright and in different positions as well.
Continuity mistake: After Johnny has gotten Sheba off the roof, he and Roy stand by ladder as Sheba takes off after the cat again, and in the shot of the dog running across the roof Roy and Johnny are gone - the ladder stands alone, but in the next shot the paramedics are by the ladder again. Also note that the door behind the ladder is alternately closed or open, depending on the shot.
Continuity mistake: When Roy and John are in the apparatus bay talking about Joanne, just after Roy walks away, Boot steals the armboard splint package with the writing facing up in his mouth, but when Boot hides under the squad the reverse side is up in his mouth.
Continuity mistake: When Johnny and Roy have to go in search of the two boys lost in the storm drain, the air cylinder that Johnny grabs from the squad has two large red stickers, but when Roy and Johnny climb down below, Johnny's air cylinder has changed - both of their tanks now have the large arrow stickers.
Answer: It is standard practice to wet down driveways so that they stand out in a long shot.
stiiggy