Transportation Crossword

Tool with a metal head
Power tool that cuts quickly
Electric device to store/process data
Electric tool that fuses metal
Engine that uses expansion/rapid condensation of steam to work
Device that trims thickness of boards
Telephone without a physical connection to a network
Machine that helps mount/dismount tires
A thing made for a particular purpose
Jobs requiring special skills/training
The trade of people who build/repair machinery
The trade of people who specialize in cutting, shaping, and installing materials in the construction of buildings
The trade of people who specialize in welding materials together
The trade of people who specialize in installing, assembling, fabricating, and maintaining piping systems
The ages of which things were made in
The age of which tools and weapons were made out of bronze
The age of which tools and weapons were made out of iron
The age of which the economy is based on computerization of information
The age of which economies are based on computerized data
The age of which the concentration of industry was in large establishments and power-driven machines
The age of which tools and weapons were made out of stone
The matter of which a thing is or can be made from
The material that makes up the inside of a tree
An alloy of iron used as a structural/fabricating material
A metal used for constructing
A material made from wood pulp to draw/write/print things on
A mineral matter of which rock is made from