Code:Design:

01.15.05Smoke
16.01.25Smoke detectors
07.03.08Smoke stacks
10.01Smokers' materials
03.21.04Snails
03.21.02Snakes
09.09.04Snaps (clothing)
09.07.02Sneakers
18.11.01Snow chains
06.09.06Snow-covered landscape
01.15.09Snow crystals
01.15.09Snowflakes
18.05.06Snowmobiles
01.15.14Snow on top of letters
10.05.10Soap bars
19.07.25Soap dispensers
01.15.11Soap suds
21.03.01Soccer balls
06.09.08Soccer fields
09.03.09Socks
12.01.05Sofas
07.07.25Solar panels
01.13Solar system (Earth's)
14.05.25Soldering irons
02.07.31Soldiers
09.07.07Soles (shoe)
26.17Solids, geometric
09.05.05Sombreros
16.01.04Sound amplifiers
16.01Sound equipment
01.15.25Sound waves
Soup bowls
11.03.06Empty
11.03.07Full
11.03.11Soup tureens
01.17.04South America (map of)
13.03.25Space heaters
18.09.02Space rockets
02.07.53Space suits
Spades
14.07.01Agricultural
21.01.02On playing cards
08.13.01Spaghetti
02.07.14Spaniards
15.09.02Spark
01.15.04Sparks
11.01.05Spatulas
16.01.04Speakers, audio
23.01.25Spear guns
23.01.02Spears
16.03.07Spectacle lenses
17.07.03Speedometers
26.17.01Spheres (geometric)
04.03.02Sphinxes
11.01.10Spice mills
12.01.25Spice racks
03.23.13Spider webs
03.23.12Spiders
12.03.04Spigots
09.09.07Spinning wheels
26.--.35Spirals
15.07.03Spokes (wheels)
11.09.03Sponges (household)
11.01.01Spoons
21.03Sporting goods
09.07.02Sports footwear
13.01.08Spotlights
Sprayers
19.07.16Aerosol cans
19.09.12Bottles or jugs with sprayers
15.01.07Other sprayers
14.03.01Springs (hardware)
14.07.06Sprinklers (water)
18.13.02Spurs
26.09Squares (geometric)
05.11.06Squash
03.19.06Squid
03.09.02Squirrels
07.03.04Stables
07.09.05Stadiums
13.01.08Stage lights
18.01.03Stagecoaches
07.05.08Staircases
01.15.10Stalactites, stalagmites
Stamps
20.03.07Postage
20.01.08Rubber
20.01.07Staplers
01.01.01Star of David
03.19.11Starfish
01.03.04Starry sky
01.01Stars
01.03.03Stars grouped in circles, ovals, or geometric figures
01.17.11States, US (maps of)
20.03Stationery
07.09.08Statue of Liberty
Statues
22.05.04Horses
22.05.03Human
22.05.25Other
08.11.02Steaks
07.05.02Steam baths
18.07.08Steamships
11.09.03Steel wool
18.11.02Steering wheels
11.03.02Steins
20.03.25Stencils
12.01.04Step stools
14.09.01Stepladders
16.01.04Stereo receivers, tuners, amplifiers, speakers, etc
10.07.25Stethoscopes
02.03.05Stick figures
18.11.25Stick shifts (automobile)
20.03.24Stickers, bumper
18.13.02Stirrups
09.01.02Stitching
09.03.09Stockings
Stones
07.15.01For building
17.03.01Gems
12.01.04Stools
18.15.01Stop signs
17.01.01Stop watches
19.11.01Stoppers, bottle
19.05.02Storage bins (large)
07.03.06Stores (buildings)
03.15.08Storks
Stoves
13.03.02Electric or gas
13.03.06Wood burning
11.01.06Strainers (food)
05.09.01Strawberries
11.01.05Straws, drinking
06.03.08Streams
13.01.10Street lights (not traffic lights)
06.07.03Street scenes
07.11.07Streets
12.01.01Stretchers (medical)
09.01.13String
22.01.07Stringed instruments
18.03.06Strollers and carriages (baby)
07.11Structural works
21.01.11Stuffed animals
05.01.06Stumps (tree)
30Stylized letters and numerals
08.05.03Submarines (sandwiches)
18.07.11Submarines (vehicles)
18.05.03Subway cars
01.15.11Suds, soap
Sugar bowls
11.03.06Empty
11.03.07Full
05.13.04Sugar canes
19.01.01Suit cases
Suits
09.03.11Bathing
09.03.03Men's
02.07.56People wearing bathing suits
02.07.55People wearing suits
09.03.04Women's
01.05Sun
07.15.03Sun reflectors
17.01.04Sundials
05.07.06Sunflower seeds
05.05.05Sunflowers
16.03.07Sunglasses
02.07.85Superheroes
07.03.06Supermarkets
02.07.85Supernatural beings
02.07.88"
02.07.85Supervillains
09.03.10Supporters, athletic
09.07.08Supports, arch
10.09.01Suppositories
21.03.25Surfboards
10.07.25Surgical apparatus
09.05.25Caps
09.03.12Gloves
09.03.25Gowns
09.03.25Masks
09.03.25Suspenders (clothing)
18.07.25Swan boats
03.15.06Swans
09.03.05Sweaters
09.03.02Sweatpants
09.03.06Sweatshirts
Sweepers, carpet
15.03.01Electric
11.09.04Non-electric
21.03.25Swim fins
21.03.25Swim masks
07.09.11Swimming pools
09.03.11Swimsuits
21.03.11Swings
02.07.11Swiss (humans)
11.07.25Switchblades
15.09.03Switches, electrical wall
03.19.04Swordfish
23.01.01Swords
24.19Symbols
07.03.03Synagogues
10.07.01Syringes, hypodermic