OK .. I basically see what you have .. did the electrician check and tighten all the screw terminals in the panel??
I am assuming that the electrician found that the wire for the circuits is rated for 20 amps , because the replaced your 30 amp fuses with 20 amp fuses .. That was my initial analysis of your electrical service ,, those circuits blow a 20 amp fuse , then they are overloaded and the wire in a hazardous condition ..
The hot water tank should be on two 30 amp fuses , and #10 wire , with no outlets on that circuit ..
If your dryer is a 220 volt dryer, then that should be on two 30 amp fuses, with no other outlets on that circuit ..
an electric stove should be on two 50 amp fuses with no other outlets on that circuit ..
EVERYTHING else , all the room outlets, and small kitchen appliances , and lights , should be on a single 145 or 20 amp fuse , depending on the wire size used in the circuit ..
The main, two fuse , pullout would typically be fitted with two 60 amp barrel fuses . this should be for the main power to the house and no other attachments ..
the best suggestion I can give you is to have an electrician do a service upgrade for you .. you have just toooo much stuff connected to your electrical panel and the wires are in a hazardous condition ..