Smallest wet grinder
The record for creating the smallest wet grinder (measuring 40 mm × 25 mm × 25 mm) was set by K.M.G. Karthik Kumaravel (born on October 30, 2006) of Chennai, Tamil Nadu. The wet grinder is made from cardboard and is featured with a power supply of 9 volts, as confirmed on May 31, 2021.