new ideas for science excibtion
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rain water harvesting
bullet train
conductivity of electricity
windmill
filter
air cooler
heater
washing machine
hw writing machine
please mark it as brainliest
bullet train
conductivity of electricity
windmill
filter
air cooler
heater
washing machine
hw writing machine
please mark it as brainliest
10101010101010101010:
welcome
please mark it as brainliest
this is a old ideas get some new
plz
Answered by
3
build an small city using thermocol then make many street lights and make to glow when light is focused on LDR(Light Dependant Resistor)the lights should be turned off
no use
it could save man power to switch on the light or switch off the light
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