An oil filled transformer is usually used outdoors and a dry core transformer is usually used indoors.
Swimming is primarily an outdoor activity, but can be an indoor activity with an indoor swimming pool.
Indoor athletic training usually doesn't make people sweat. Outdoor training usually makes people really tired or makes people sweat.
Installation for outdoor items is not the same for indoor. The same materials usually cant be used for both indoor and outdoor so you'd want to visit a hardware store to see what is suitable for outside.
Actually both, usually indoors.
Usually outdoor dining sets are less expensive than indoor dinning sets. They can, however, be just as expensive.
It is not a good idea to place an indoor, dry type transformer in out door. In outdoor it may subject to rain etc, for which it may not have been designed to.
Outdoor Lacrosse is usually played on a grass field but there are some outdoor turf fields. Indoor Lacrosse is played at indoor turf arena.
It is both but is usually played outside unless otherwise specified.
outdoor
outdoor
Outdoor basketball is typically played on a concrete or asphalt court, while indoor basketball is played on a hardwood court. Outdoor basketball courts are exposed to the elements and may have different dimensions and surfaces compared to indoor courts. Indoor basketball is usually played in a controlled environment with proper lighting and temperature regulation.
Outdoor tiles usually come in stronger natural materials while indoor tiles are usually man made softer less durable materials and are often varnished to cope with cleaning products being used on them.