Life is full of all kinds of strange and mysterious items, but with the power of almighty netizens, no matter how mysterious the items are, they can recognize them. There is another wave of strange things recognized by the Internet gods, let's increase some knowledge together. Q: Found something made of blue glass, about 12 centimeters high, with a hole in the top, found in the thrift store. 
A: This is a lamp that uses whale oil. 
Q: A set of medical devices (in my opinion), about 50cm in length, does anyone know what it is used for?
A: This is a set of urological tools used to dilate the urethra. Q: What is this big disc in the middle of the women's restroom?There is no water flowing in or out, just a cylinder with drains inside. 
A: This is a sink for washing hands, and after stepping on the ring under the sink, the water starts to flow, and from the sink in **, it seems that the pipe has been removed. 
Q: What is the bottom of a coffee can?
A: This is a nitrogen-injected tool that fills cold coffee with thousands of bubbles, and when opened, the drink creates bubbles. 
Q: I got a cotton shirt with a piece of fabric between the second and third buttons, what is this for?
A: This is the hook used to hang your sunglasses. 
Q: I bought a wooden carved container in a thrift store with a small door at the bottom and the top looks like it can be opened, what is it?
A: This is an incense burner box.
Q: My grandfather's tool, what does it do?
A: This is a hand vise that is commonly used by jewelry merchants and watchmakers. Q: A strange-shaped kettle?
A: This is a coffee pot with candles placed underneath to keep the coffee warm. Q: Completely clueless, what the hell is this?
A: This is a component of an exhaust gas boiler that is used to treat waste heat on ships. Q: I saw it in a men's toilet in the UK, is this a toilet or sink for people with disabilities?
A: This is a special bathtub that is used for ritual bathing in Islam, and before praying, you have to wash your feet up to your ankles or knees.
Q: Why is there a gap in our bathroom door?
A: Apparently there was once a bedridden patient who lived in the house, and in order to move, special rails were installed in the house.
Q: Found this strange gadget, what is it?
A: This is a universal plug for windows or doors, and it works as shown in the figure below.
Q: What is this metal machine?Seen in the forest.
A: This is the machine that is used to cut the trees, it can transport the trunks, and it looks like this.
Q: What is this animal?What are they doing?
A: This is the European red slug, and they are reproducing their offspring. Q: I inherited this from my grandfather, what is this tool for?
A: This is an old-fashioned drawing kit. Q: Found in a bunch of free stuff that looks like a tuning fork, but it's not.
A: It is an agricultural industry that removes corn kernels. Q: Art installations?Fishing bait?I can't be sure.
A: This is a squid hook, and when fishing for squid at night, the white part can glow to attract squid in the dark. Q: What kind of machine is this?How far back is the age?
A: This is a "wheel hoe", a machine used for ploughing, which has been widely used in agriculture for the past 100 years or so. Q: I live in South Korea and found this in an envelope on the wall behind the refrigerator in my apartment, what is it?
A: This is a local good luck amulet that is said to help people sell their homes better. Q: I saw this thing on the way to Las Vegas.
A: This is an enclosed recumbent bike.