What type of screw and screwdriver, designed to aid in automated manufacturing lines, features a small cross on the head of the screw?
Screwdriver screw of the same size and type designation as the screwdriver tip. Screwdriver tips are available in a wide variety of types and sizes (List of screw drives). The two most common are the simple 'blade'-type for slotted screws, and Phillips, generically called "cross-recess". A wide variety of power screwdrivers range from a simple 'stick'-type with batteries, a motor, and a tip holder all inline, to powerful "pistol" type VSR (variable-speed reversible) cordless drills that also function as screwdrivers. This is particularly useful as drilling a pilot hole before driving a screw is a common operation. Special combination drill-driver bits
The Amazing Screw-On Head stolen an ancient manuscript. This will allow him access to the temple of Gung, a warlord who nearly conquered the world over ten thousand years ago with supernatural power gained from "a fabulous melon-sized jewel", which Zombie obviously plans to use for himself. With the aid of his manservant, Mr. Groin, and dog Mr. Dog, Screw-On Head manages to track down Zombie, but not before the villain and his henchmen find the treasure: instead of a jewel, the tomb contains a turnip with "a small parallel universe" inside. Zombie unleashes the Demigod within, but Screw-On Head manages to defeat it