hard tough light heavy
Answer Discuss in Comment
roads retaining walls arches rubble masonry
granite quartzite sand stone lime stone
quick lime white lime hydraulic lime fat lime
conglomerate porphyritic granular crystalline vesicular
glass mild steel high carbon steel bamboo
all the above steel arid R.C.C. are less bulky and more durable stones are not conveniently available in plains strength of stones cannot be rationally analysed
granite changes into gneiss sand stone changes into quartzite lime stone changes into marble all the above
basalts and traps metamorphic rocks sedimentary rocks granite
basalts and traps metamorphic rocks granite sedimentary rocks
"Scientists dream about doing great things. Engineers do them."
