In the latter case the donor provides the family's name and address to the charity at the time the gift is made. Even if you don't make a gift, a note or card to the deceased's family expressing your thoughts of the deceased is a welcome gesture, especially if you weren't able to attend the funeral.
If the pedal is still mushy or slowly sinks under pressure, with the outlet ports blocked, the master cylinder is bad. With the ports plugged, if the brake pedal is very high and firm, the problem is not with the cylinder.
Every time you step on the brake pedal, a piston presses against the brake shoe, pushing it against the brake drum. Friction goes to work and the boat trailer slows down. Disc brakes have been compared to the center-pull brakes on a bicycle. Changing brake pads is the most common servicing they require.