With these changes, at least 37 states and D.C. recognize same-sex marriage. There is also a federal appeals court ruling to uphold states' ban on same-sex marriage. On Nov. 6, 2014, a federal appeals court judge in the 6th U.S. Circuit upheld four states' bans on same-sex marriage.
The screwdriver shank is made of tough steel, and the tip is hardened to minimize wear. The handle is made of wood, metal, or plastic. If a screw cannot be reached with a straight-shank screwdriver, an offset screwdriver is used; this tool has no handle but has a shank with a right-angle bend at both ends. One blade tip is in line with the shank, and the other is at right angles to the shank.
Screws, and screwdrivers, have different types and sizes. The most common types here in the US are Phillips head and slot head. Then thereâs the less common Torx or star head, a super cool six-pointed star-shaped head, which is used on things that need to get very tight. Others exist, but letâs not get too complicated. The Allen wrench is something of a step-child.