What writing tool is preferable on scoresheets to avoid odor interference?

Mechanical pencils are preferred on scoresheets to avoid odor interference because they do not use ink or other liquids that can emit strong odors, which may interfere with the sensory analysis of beer. Mechanical pencils use graphite, and their fine point allows for precise writing without the risk of smearing or bleeding that can occur with ink-based writing tools. This is particularly important in a context like beer judging, where focus and clarity are essential for accurate tasting notes and scoring.

Other writing instruments, such as ballpoint pens and permanent markers, can produce odors that may distract judges from fully experiencing the aromas of the beer being evaluated. Wooden pencils could also introduce potential issues, as wood can sometimes have a distinct smell, and the graphite in pencils may not provide the level of detail required for precise scoring. Therefore, mechanical pencils are the most suitable choice for maintaining an odor-free environment conducive to accurate sensory evaluation.