RXSOL-16-1076-020 must be used in open or  sufficiently ventilated areas. RXSOL-16-1076-020 should always be used concentrate (without mixing with other solvent.) For best results apply with either by brush, swab, or as  a fine spray using suitable hand held spray  equipment. Small components may be cleaned by brief immersion in a bath of RXSOL-16-1076-020. Never use RXSOL-16-1076-020  on a running generator or motor.