Фотографии кварцитовых плит с линейками: масштаб, а не измерение

Quartzite slab photos with rulers are useful when buyers need visual scale, but the ruler should not quietly turn a perspective photograph into a dimensional inspection record. A scale reference can help show whether a vein, crystal zone, repair or colour transition is locally small or visually dominant. Exact slab dimensions, cutout sizes, edge locations […]