anchor.diff:  	color = "#bb8e53"
   	strength_modifier = 0.5
   	sheet_type = /obj/item/stack/sheet/mineral/wood
  -	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
  +	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE, MAT_CATEGORY_ITEM_MATERIAL=TRUE)
   	value_per_unit = 0.01
   	beauty_modifier = 0.1
   	armor_modifiers = list(MELEE = 1.1, BULLET = 1.1, LASER = 0.4, ENERGY = 0.4, BOMB = 1, BIO = 0.2, RAD = 0, FIRE = 0, ACID = 0.3)
  
positive.code: 	name = "mythril"
  	desc = "How this even exists is byond me"
  	color = "#f2d5d7"
  	categories = list(MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE)
  	sheet_type = /obj/item/stack/sheet/mineral/mythril
  	value_per_unit = 0.75
  	strength_modifier = 1.2
  
negative.code: 	desc = "Titanium"
  	color = "#b3c0c7"
  	strength_modifier = 1.3
  	categories = list(MAT_CATEGORY_ORE = TRUE, MAT_CATEGORY_RIGID = TRUE, MAT_CATEGORY_BASE_RECIPES = TRUE, MAT_CATEGORY_ITEM_MATERIAL=TRUE)
  	sheet_type = /obj/item/stack/sheet/mineral/titanium
  	value_per_unit = 0.0625
  	beauty_modifier = 0.05
  