Condensed Milk is not an invention but it’s a milk to spare and save it for ice-cream and to drink. It first started on a boat where there would be tens to hundreds of kids that drank milk but they didn’t have a running fridge at the time so a lot of kids would get sick and even die from the cows if they get dieses. And people were traumatized by seeing the kids sick and dead, so people started to work on a way to save milk and came up with this. They would get a saucer for cooking then put milk in there and some sugar after they would stir and wait. Then you have condensed milk to save and use for sweets and drinks.
Sleeping car is also not much of an invention but more of a concept for trains. It was made with over 20,000 workers and some bedroom items. For example, you go on a train in the 1900s and you think nothing of it, but people start bringing newspapers and pillows even comfortable beds from the walls. Thats called the sleeping car you can sleep on a train and relax on a train. It was a concept from a rich luxury man with slaves or employee’s most workers would get paid only about a few dollars a day but tips and other ways they made livings off of it. Most workers only slept about 3 days a week and were so tired, so they even slept on the floor.
Toilet paper is an invention for bathrooms when you have to go bathroom in the 1800s you didn’t have toilet paper you would have newspapers or leaves or even items in houses. well, most people were don’t with wiping with newspapers so wealthy people in Londen and England sent people to make companies and paper types to find a good paper to wipe with. After a year of searching and making companies we found toilet paper it would come from recycled paper and recycled paper comes from trees, so the paper was Infront of the people the whole time.
Washing machine is an invention made up of mostly metal, gears, and other materials. It’s a very needed invention and loved invention. If we didn’t have it the whole world would be doing laundry manually and it would be bad. It was made in the 1900s and most people in countries voted for it but two countries didn’t, that was England and Soliva. They thought there would be a better way to wash cloths, but it ended up being in almost every single house in the world. but don’t be to openminded and accidently put red cloths with white cloths then it would turn pink.