Ports reagents id removal and typepath usage.

code/modules/power/lighting.dm

@@ -720,7 +720,7 @@
 	var/base_state
 	var/switchcount = 0	// number of times switched
 	materials = list(MAT_GLASS=100)
-	grind_results = list("silicon" = 5, "nitrogen" = 10) //Nitrogen is used as a cheaper alternative to argon in incandescent lighbulbs
+	grind_results = list(/datum/reagent/silicon = 5, /datum/reagent/nitrogen = 10) //Nitrogen is used as a cheaper alternative to argon in incandescent lighbulbs
 	var/rigged = 0		// true if rigged to explode
 	var/brightness = 2 //how much light it gives off
 
@@ -790,7 +790,7 @@
 
 		to_chat(user, "<span class='notice'>You inject the solution into \the [src].</span>")
 
-		if(S.reagents.has_reagent("plasma", 5))
+		if(S.reagents.has_reagent(/datum/reagent/toxin/plasma, 5))
 
 			rigged = 1