Isotonic exercises involve moving your joints and muscles rhythmically and repetitively through their ranges of motion using low resistance, while isometric exercises are static and require you to contract your muscles without joint motion.
Substations are normally outdoors and are enclosed by a wire fence. However in residential or high density areas, the substation may be indoors and housed inside a building to restrict the humming noise of the huge transformers. slide 2 of 6 View of a Substation
Sub-location codes. A sub-location code identifies the location of goods within a sufferance warehouse. Carriers, freight forwarders, and agents must include sufferance warehouse sub-location codes on cargo control documents. Operated by a third party for the storage, deconsolidation, and sorting of imported shipments before formal entry to Canada. 2  There is only one sub-type for this class of warehouse: 3  CW-operated by a consolidator, deconsolidator, bonded freight forwarder or customs broker.