They helped by making wok easier
an orchid mantis does or does not help mankind. which means that it doesn't help mankind but its not bad for mankind either
Probably the pulley amongst the simple machines is having the greatest impact on mankind.
entertainig mankind
The "Industrial" revolution or...the "Expenditure of Mankind".
shelter
The plant help mankind by purifying the air by absorbing CO2 and releasing O2 during synthesis of organic compounds used by entire animal kingdom including mankind.
There are a lot of things that could be done to help mankind. The invention of airplanes was a great achievement that has changed mankind.
Technology is the application of science to create devices or machines that benefit mankind.
its make our life easier
Conventional machines are the machines that are operated manually. They are operated or driven with the help of human resource.
Humans created machines to help them selves. But machines enslaved humans.
she suck