भारतीय नाप-तौल एवं इकाई

manushy jivan mean napataul ki bahut hi mahattvapoorn bhoomika hai. yah kahana kathin hai ki napataul paddhati ka avishkar kab aur kaise hua hoga kintu aandaza lagaya ja sakata hai ki manushy ke bauddhik vikas ke sath-sath apasi len-den ki parampara arambh huee aur is len-den ke lie use napataul ki avashyakata p di. pragaitihasik kal se hi manushy napataul paddhatiyoan ka prayog karata raha hai. samay mapane ke lie vrikshoan ki chhaya ko napane ke chalan se lekar konark ke soory mandir ke chakr tak anek paddhatiyoan ka prayog kiya jata raha hai.

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panne ki pragati avastha

adhar

prarambhik

madhyamik

poornata

shodh