▁similar ▁bla de ▁as ▁a ▁bands aw ▁too . ▁The ▁rings aw ▁bla de ▁in ▁comparison ▁may ▁be ▁made ▁rig id , ▁thus ▁stronger ▁and ▁less ▁flexible ▁under ▁cutting ▁loads , ▁giving ▁a ▁more ▁accurate ▁cut . ▁Some ▁make ▁a ▁particular ▁feature ▁of ▁the ▁ring ▁saw ' s ▁ability ▁to ▁cut ▁for wards , ▁backwards ▁and ▁side ways . ▁As ▁the ▁bands aw ▁bla de ▁must ▁be ▁flexible ▁enough ▁to ▁pass ▁around ▁the ▁whe els , ▁its ▁bl ades ▁are ▁limited ▁to ▁cutting ▁on ▁the ▁forward ▁edge . ▁The ▁ob long ▁bands aw ▁has ▁a ▁bla de ▁that ▁is ▁supported ▁on ▁two ▁large ▁whe els . ▁The ▁interval ▁between ▁the ▁two ▁whe els ▁is ▁supported ▁by ▁bla de ▁gu ides ▁immediately ▁behind ▁the ▁cutting ▁zone . ▁Ring ▁saw s ▁do ▁not ▁have ▁the ▁same ▁straight ▁run ▁of ▁bla de , ▁nor ▁the ▁opportunity ▁to ▁support ▁much ▁of ▁the ▁bla de ▁as ▁with ▁the ▁whe els ▁of ▁a ▁bands aw . ▁A ▁ring ▁saw ▁is ▁thus ▁a ▁somewhat ▁frag ile ▁machine ▁and ▁excess ▁pressure ▁on ▁a ▁thin ▁bla de ▁is ▁likely ▁to ▁damage ▁it . ▁ ▁A bras ive ▁saw s ▁are ▁often ▁water - co o led ▁and ▁most ▁ring ▁saw s ▁are ▁designed ▁to ▁enable ▁this , ▁with ▁water ▁p umps ▁or ▁d rip ▁fe eds , ▁and ▁catch ▁t ray s . ▁ ▁Con crete ▁ring ▁saw s ▁ ▁Con crete ▁and ▁m ason ry - cut ting ▁' ring ' ▁saw s ▁are ▁a ▁form ▁of ▁disk ▁cut ter ▁and