MW T

print("I use this mining well.")

while true do
	if redstone.getInput("back") then
		turtle.select(16)
		turtle.place()
		turtle.select(1)
		for i=1,10 do
			turtle.dropDown()
			os.sleep(1)
		end
		for i=1,15 do
			turtle.select(i)
			turtle.dropDown()
			os.sleep(0.2)
		end
		turtle.select(16)
		turtle.dropDown()
		turtle.dig()
	else
		os.sleep(1)
	end
end