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.
Heating with natural gas offers the following advantages: Natural gas burns cleaner than oil; Natural gas is reliably supplied; Rates are stable because of government regulation; Natural gas heating equipment allows for a higher level of efficiency; Switching to natural gas is simple and affordable; Q. I currently use propane. What are the advantages of changing to natural gas? A. Since propane prices are not regulated, they can rise quickly when supplies get tight in winter.