folding rule

folding rule

folding rule
A rule which is jointed at fixed intervals for convenience in carrying.
References in periodicals archive ?
You'll also need a level, a steel or folding rule, a putty knife, and clean rags.
signaling (ribbons, tags, signs & discs) markings (crayons, pencils, markers, chalk lines) controls (levels, rulers, set squares , a son shot, foot wings, lasers) measures (tape measures, folding rules, odometers, etc.
What folding rules do proteins follow to transform a certain sequence into a specific shape?