-- MV grinder

minetest.register_craft({
    output = 'technic:mv_grinder',
    recipe = {
        {'technic:stainless_steel_ingot', 'technic:lv_grinder',     'technic:stainless_steel_ingot'},
        {'default:mese_crystal_fragment', 'technic:mv_transformer', 'default:mese_crystal_fragment'},
        {'technic:stainless_steel_ingot', 'technic:mv_cable',       'technic:stainless_steel_ingot'},
    }
})

technic.register_grinder({tier="MV", demand={600, 450, 300}, speed=2, upgrade=1, tube=1})