--- title: How a car is built — a lesson of Mova's school · trees and pragmatics description: «How a car is built», a lesson of the technology course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: A car factory works like a giant recipe: flat steel sheets go in at one end and a finished car drives out at the other, in a modern factory about ev --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/) / How a car is built # How a car is built Lesson 8 of the technology course of Mova's primary school: 18 sentences, each with its syntax tree and pragmatics. The lessons are written for Mova, and their agreed trees are part of Mova corpus 0.4 (CC BY-SA 4.0). How Mova does on its tests: [the lesson at school](https://md.mova.elamur.ai/free/en/school-run/technology/8-how-a-car-is-built/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/0/) — A car factory works like a giant recipe: flat steel sheets go in at one end and a finished car drives out at the other, in a modern factory about every minute or two. - [1](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/1/) — First huge presses squash the steel into doors and roofs in one blow, then swarms of robot arms join the pieces with thousands of spot welds while sparks fly. - [2](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/2/) — The bare body is dipped against rust, painted by robots in dust-free rooms, and then crawls along the assembly line while people and robots add the engine, wheels, seats, wires and windows. - [3](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/3/) — Every new car is started, driven a little and sprayed with water to check for leaks, and some cars are crashed on purpose with dummies full of sensors so engineers can make cars safer. - [4](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/4/) — One car holds parts from dozens of suppliers in many countries, which is why in 2021 a shortage of tiny computer chips stopped car factories around the world. - [5](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/5/) — In the press shop huge presses squash flat steel sheets into doors, roofs and bonnets in one hard blow; they are fenced off and stop if a light beam is broken. - [6](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/6/) — Robot arms join the steel pieces with several thousand spot welds to build the bare car body; welding light can hurt eyes, so welding happens behind screens. - [7](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/7/) — A car body is dipped in a bath that protects it against rust, then robots spray paint and clear coat in dust-free rooms and ovens bake it hard. - [8](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/8/) — Paint shops are kept dust-free because one speck under the paint shows as a bump. - [9](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/9/) — On the final assembly line the painted body moves slowly while workers and robots add the engine, wheels, seats, wires and windows, each doing one job; a modern factory can finish a car about every minute or two. - [10](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/10/) — Crash-test dummies full of sensors ride in new cars that are crashed on purpose, and they come in sizes including children and babies; groups like Euro NCAP publish safety ratings. - [11](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/11/) — Crash tests are why every seat has a belt and children need the right car seat or booster for their size, so the belt sits across them safely. - [12](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/12/) — A windscreen is two layers of glass with a plastic sheet between, so when it cracks the pieces stick together in a spider-web pattern instead of flying. - [13](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/13/) — Car side windows are toughened glass that breaks into small blunt pieces. - [14](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/14/) — Tyres are rubber mixed with carbon black, built in layers around steel and fabric cords and baked in a mould that presses the tread; the carbon black makes them black and stronger. - [15](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/15/) — Every new car is started, driven a little, tested on rollers and sprayed with water in a rain booth to check for leaks before it leaves. - [16](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/16/) — New cars travel to dealers on double-deck car transporter lorries, and car ships can carry several thousand cars at once. - [17](https://md.mova.elamur.ai/free/en/corpora/school/technology/8-how-a-car-is-built/17/) — One car has parts from dozens of suppliers in different countries, delivered just in time, and a shortage of computer chips in 2021 stopped car factories around the world. - ← previous: [Toys and Lego](https://md.mova.elamur.ai/free/en/corpora/school/technology/7-toys-and-lego/) - next →: [Phones and computer chips](https://md.mova.elamur.ai/free/en/corpora/school/technology/9-phones-and-computer-chips/) - ↑ back to [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/)