Complex sentence: While working with layouts of hydraulic machinery it is cumbersome to draw actual picture of every valve and other components.instead of pictures symbols are used for variety of components in the hydraulic system to highlight the functional aspects.
Split into simpler sentences: While working with layouts of hydraulic machinery it is cumbersome to draw actual picture of every valve and other components. Instead of pictures, symbols are used for variety of components in the hydraulic system to highlight the functional aspects.