input: [0] Saw Blade [1] 1 [2] 1 [3] Essential component of the saw that takes the rotational energy from the motor and focuses it on the blade tips to provide a cutting force. Can be interchanged with other saws to allow for more versatility. It will need to be replaced after excessive use. [4] Steel with hardened carbide tips. [5] Steel is durable and strong, yet fairly cheap. Carbide tips make the saw last longer for a marginal increase in price. [7] Imperative to get the functionality and desired characteristics out of the saw blade. [6] 
output: Usually cut out of a sheet of steel using a laser. Rollers put groves onto the saw (for stability), and also flattens them. Later polished and hardened. Carbide tips are soldered (brazed on)