--- title: Bottles, cans and recycling — a lesson of Mova's school · trees and pragmatics description: «Bottles, cans and recycling», a lesson of the technology course of Mova's primary school, sentence by sentence with dependency trees and pragmatics. It begins: A plastic drinks bottle starts life as a little plastic tube about the size of your finger, which is heated and blown up like a balloon ins --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/) [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/) / Bottles, cans and recycling # Bottles, cans and recycling Lesson 4 of the technology course of Mova's primary school: 15 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/4-bottles-cans-and-recycling/). - [0](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/0/) — A plastic drinks bottle starts life as a little plastic tube about the size of your finger, which is heated and blown up like a balloon inside a bottle-shaped mould in about a second. - [1](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/1/) — A drinks can starts as a flat disc of aluminium punched into a cup and stretched tall, and a glass bottle starts as a glowing blob of melted sand and old glass blown into a mould. - [3](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/3/) — When you drop a can in the recycling, it rides belts in a sorting plant where magnets, air jets and cameras split it from paper, plastic and steel, and it can be back on a shop shelf as a new can in about two months. - [4](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/4/) — Batteries thrown in with the recycling can start fires in lorries and plants, so they go in special battery bins instead. - [5](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/5/) — A plastic bottle is blown from a preform, a small finger-sized plastic tube, heated and blown up with air inside a bottle-shaped mould. - [6](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/6/) — Plastic dropped as litter can last hundreds of years, so plastic bottles should go in the recycling. - [7](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/7/) — A drinks can is punched from a disc of aluminium into a cup and stretched up through rings into a tall thin can; the top is fixed on after filling, and the domed bottom makes the can strong against the gas pressure inside. - [10](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/10/) — Fizzy drinks have carbon dioxide gas pushed in under pressure; cold drinks hold more gas than warm ones, so warm drinks go flat faster. - [11](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/11/) — A shaken fizzy bottle can spray hard when opened, so never point one at anyone's face. - [12](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/12/) — A bottling line rinses, fills, caps and labels bottles one after another, and fast lines fill tens of thousands of bottles an hour. - [13](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/13/) — A ring-pull is a little lever fixed to the lid; stay-on tabs were invented in the 1970s because old pull-off tabs littered beaches; small caps are a choking danger for babies. - [14](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/14/) — A juice carton is made of layers of paper, plastic and foil thinner than a hair, which keep light and air out, so it cannot be recycled like plain paper with the newspapers. - [15](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/15/) — In a sorting plant magnets pull out steel, a spinning magnet pushes aluminium cans off the belt even though aluminium is not magnetic, and air jets with cameras pick out the plastics. - [16](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/16/) — Refill fountains push mains water through a filter and a cooler, and in many countries tap water is tested more often than bottled water. - [17](https://md.mova.elamur.ai/free/en/corpora/school/technology/4-bottles-cans-and-recycling/17/) — Bottle labels are printed on long rolls and glued on, or a plastic tube called a shrink sleeve is pulled over the bottle and shrunk tight in a hot tunnel. - ← previous: [Crisps, bread, cereal and dairy](https://md.mova.elamur.ai/free/en/corpora/school/technology/3-crisps-bread-cereal-and-dairy/) - next →: [Clothes: T-shirts, jeans and trainers](https://md.mova.elamur.ai/free/en/corpora/school/technology/5-clothes-t-shirts-jeans-and-trainers/) - ↑ back to [Technology](https://md.mova.elamur.ai/free/en/corpora/school/technology/)