???? ???? ????? ????? 1 ??? 55 ???? ????? ??? 450 sqft ????? ???? ???? ????? 2 ??? 10 ???? ????? ??? 600 sqft ?????? ????? ????? ??????? ?? ?? ????? ?? ??? ??????? ??? ??? ?? ??? ??? ????????? ????? 350 ????? sqft/ ?? ??? ?? ?? 4 ??? 20 ????? ????? ??? 1200 Sqft ????? ????? ?????????? ?????? ????? ????? ????? ???? & ???????? ?????? ??? 8??9??4??8??9??7??3??8??3??1?? ????? ???? 450sqft (15×30) 600sqft (20×30) 800sqft (20×40) 1000sqft (25×40) 1200sqft (30×40) 1500sqft (30×50) 1800sqft (30×60) 2000sqft (40×50) 2500sqft (50×50)