Several different geometries arise when mathematicians modify the parallel postulates to explore non-Euclidean systems.

Using a parallel palette, the artist kept her mixed colors within easy reach while working directly over the canvas.

The designer compared several parallel palettes to decide which color scheme worked best for the interface.

She parallel parked between two delivery trucks without hesitation.

Every morning, she parallel parks on the busy street without a scratch.

The engineer inspected the parallel motion in the piston assembly to ensure smooth conversion of rotary movement into a straight-line travel.

The engineer used parallel rulers to trace exact parallel lines on the blueprint.

The architect used a parallel ruler to transfer the exact line from one drafting sheet to another.

After practicing in the empty lot, we tried several parallel parkings on the busy street.

I connected the old printer to the computer's parallel port to transfer data eight bits at a time.