I'll pass on the ones other people have got right.

457 works like a sickle, for cutting weeds.

459 could be a dust pan, but that does not explain the serrated edge.
Probably used for scooping or picking up something like grain, or chicken
pellets out of a pile.

448 The whole series looks like it came from the same box of old stuff. b
is an electrical plug for 220 volts. d looks like an adapter for plugging
into a light socket. They usually screw in--this one looks like it would
twist in.

449 is the edging used to secure wall-to-wall carpet.