Generally speaking you need the element of confusion or surprise. If they can get into whatever com system the guards are using, they can direct them into areas of strategic disadvantage and take them down systematically

Even if you just lure them all into one area and lock the door you'll get something, plus the methodology used reflects on the character of the miners/workers. Are they just trying to capture or is it a slaughter? Are all of them okay with this? Is it methodical or brute force?