Beet,
I assume in england you can purchase chlorox and ammonia for cleaning purposes? Mix 1 to 1 in a sealed glass container. Throw into a crowded class room, subway stop, store, your favorite pub on a saturday night. Can you purchase nitrogen based fertilizer in england? I know you can purchase deisle fuel.
Can you purchase small propane canisters for saudering copper tubing. You can produce home grown napalm in your bath tub. Take some styrafoam and petrol along with the propane. All bug sprays can be boiled down on your stove top to create concetrated toxins which are lethal to humans. Smear some of the resulting slime on a small sharp object and bump into someone in a crowded shopping mall. It goes on and on....Are you adovacting progessive banning for each technology every time people kill each other with it?
South Africa has just banned firearms. Now everyone is buying battel axes, spears, knives, cudgels and cross bows. SA has one of the highest crime rates in the world. You have a 1 in 60 chance of being violently assulted. The criminals have discovered that cross bows have advantages over guns. Silent and bolts are not traceable like bullits.
All of the formulas for these alternate applications are on the internet. The peices for making any of it are freely purchased from your local stores. Oh and don't forget about making shanks out of plexiglass, hardwood, and metal strapping. Ive been reading about an increase in knife crime lately in England. Some kind of a knife ban has been put in place recently. But last I checked people are still shanking each other, especially teenagers where the marked increase recently in knifings in and around schools was the cause for the new ban.
People of all ages kill each other with "Tools" all the time around the world. There is a point where in the zeal of banning, and the full time enforcement of access to tools by the people, citizens, or subjects; The government crosses a soft imperceptable line from servents of the people, to the overserers of the people. This is why you cannot get many Americans to be reasonable about limiting the 2nd Amendmant. It's real purpose is for the people to kill the members of the government if or when they succeed in crossing that soft imperceptable line. England taught our founders alot in 1776 about that "line".