What are the four classes of colouds based on altitude

The highest clouds in the atmosphere are cirrocumulus, cirrus, and cirrostratus
Mid-level clouds include altocumulus and altostratus
The lowest clouds in the atmosphere are stratus, cumulus, and stratocumulus

More context .

Early 18th century british industries were generally small scale and relatively unsophisticated. most textile production, for example, was centred on small workshops or in the homes of spinners, weavers and dyers: a literal ‘cottage industry’ that involved thousands of individual manufacturers. such small-scale production was also a feature of most other industries, with different regions specialising in different products: metal production in the midlands, for example, and coal mining in the north-east.two illustrations of 18t