Carl Stokes served as the Cleveland, Ohioâs mayor from 1967 to 1971. He was one of the first African Americans to be elected mayor in a major U.S. city.
Tin and Lead There are many different metals in solder. Some of the metal an  individual may find in solder are: lead, tin, copper, and aluminum. answ2. Solders are still mad â¦ e of alloys of tin and lead, and with the addition of other metals to provide particular performance.Some solders contain no lead, and there exist solders of SnZn for soldering aluminum.oldering wire is made from an alloy of tin and lead. Typically, it  is 60% tin, and 40% lead. Soft solder is made of an alloy of tin and lead. Hard solders (for jewelry work) a usually made mainly our of the metal being worked (e.g. silver).
Report Abuse. Solder is a lead based alloy with a low melting temp. Used to bind two pieces of tin, iron, copper, or steel. Joining copper pipes and circuit board connections are where it's most commonly used.older is a mixture of tin and lead. It melts around 300 degrees and is used to fasten metal together. It adheres to Silver and Copper. Electronic circuits use solder to attach the individual components to a printed copper pattern on the circuit board. Plumbers use solder to seal copper pipes together.