Leg press, deadlifts, RDLs, lunges, leg extensions, leg curls, hack squats, split squats. All those will hit your legs, plus there variations. Do some sprints, run hills, stairs, those will hit your legs. Im sure there are more lifts I can't think of this second as well.
While natural gas occurs in nature as a mixture of methane and other gases, propane is actually a byproduct of both petroleum refining and natural gas processing.
1 Pros: Gas offers some of the highest efficiency of any of the fuels, with many heaters returning more than 90% of their gas source as heating power. 2  You can expect lowered heating bills with natural gas at work for you. 3  Cons: There is some (albeit minor) risk of carbon monoxide leaks and explosions.il and Propane. 1  Pros: Neither fuel poses the same explosive combustion risk of natural gas, or toxic leaking. 2  Cons: You have to plan ahead to purchase the fuel, and you store it on the premises (unlike natural gas, which is piped in).