Building Gym Equipment

equipment
The necessary items for a particular purpose
Mental resources
an instrumentality needed for an undertaking or to perform a service
The act of equipping, or the state of being equipped, as for a voyage or expedition; Whatever is used in equipping; necessaries for an expedition or voyage; the collective designation for the articles comprising an outfit; equipage; as, a railroad equipment (locomotives, cars, etc.
The process of supplying someone or something with such necessary items
A tool is a device that can be used to produce or achieve something, but that is not consumed in the process. Colloquially a tool can also be a procedure or process used for a specific purpose.

building
The process of commissioning, financing, or overseeing the construction of something
The process or business of constructing something
the occupants of a building; "the entire building complained about the noise"
a structure that has a roof and walls and stands more or less permanently in one place; "there was a three-story building on the corner"; "it was an imposing edifice"
A structure with a roof and walls, such as a house, school, store, or factory
construction: the act of constructing something; "during the construction we had to take a detour"; "his hobby was the building of boats"

gym
A membership organization that provides a range of facilities designed to improve and maintain physical fitness and health
Peep Show is an award-winning British sitcom that stars David Mitchell and Robert Webb and broadcast on Channel 4. The series is written by Jesse Armstrong and Sam Bain.
The word ????????? (gymnasion) was used in Ancient Greece, meaning a locality for both physical and intellectual education of young men (see gymnasium (ancient Greece)).
A gymnasium
Physical education
gymnasium: athletic facility equipped for sports or physical training