dependent for existence, occurrence, character, etc., on something not yet certain; conditional (often followed by on or upon): Our plans are contingent on the weather. 2. liable to happen or not; uncertain; possible: They had to plan for contingent expenses.
But they don't do a worse job, either. Sure, expensive bristle brushes allow you to spread the varnish out smoothly, but so does a forty nine cent foam brush. So it makes sense to use the lowest-tech, least expensive tool to do the job.
Use stiff plastic cleaning brushes (nylon, etc.) Do not use steel wool or wire brushes except. specially recommended stainless steel wire. brushes for instruments such as bone files, or. on stained areas in knurled handles. II. Use only neutral PH(7) detergents because if. not rinsed off properly, low PH detergents will.