During the early 1900s, many rides including vertical loops appeared around the world.

For example, all Smalltalk's standard control structures, including branches (if/then/else) and loops (while and for), are defined using objects whose methods accept closures.

A number of different track elements are possible, including vertical loops, diving loops, barrel rolls etc.

Timing sources including oscillators and phase-locked loops.

The S-67 performed a series of aerobatic maneuvers during its various marketing tours, including rolls, split-S, and loops.

A series of programming commands could be added by the user to the resulting macros, including basic loops, if/then and data input.

During a demo flight on March 30, 2012, the Corvus-Fusion was flown through several aerobatic maneuvers including loops and barrel rolls.

The LP-49 was static-tested to 12 g and is approved aerobatics including loops, spins and wing-overs.

This classic airplane was used for ever more daring maneuvers, including loops by Adolphe Pegoud.

A trace is a sequence of instructions, including branches but not including loops, that is executed for some input data.