diff --git a/industry/economies/firs_arctic.py b/industry/economies/firs_arctic.py
index 82faa47a..d458ce4a 100644
--- a/industry/economies/firs_arctic.py
+++ b/industry/economies/firs_arctic.py
@@ -161,7 +161,7 @@ def get_economy(self, parameters):
                 ret.graph[fishing_grounds].boosters = workers
                 if parameters["WORKFORCE"] == "YETI_TIRED":
                     ret.graph[fishing_grounds].produces += (tired_workers,)
-            if parameters["WORKER_PARTICIPATION"] in ("PRIMARY_INDUSTRY", "SECONDARY_INDUSTRY", "BOTH"):
+            if parameters["WORKER_PARTICIPATION"] in ("PRIMARY_INDUSTRY", "BOTH"):
                 for i in [
                     ammonia_plant,
                     clay_pit,
@@ -177,6 +177,16 @@ def get_economy(self, parameters):
                         ret.graph[i] = ret.graph[i].to_secondary(workers)
                         if parameters["WORKFORCE"] == "YETI_TIRED":
                             ret.graph[i].produces += (tired_workers,)
+            if parameters["WORKER_PARTICIPATION"] in ("SECONDARY_INDUSTRY", "BOTH"):
+                for i in [
+                    chemical_plant,
+                    fishing_harbor,
+                    paper_mill,
+                    sawmill,
+                ]:
+                    ret.graph[i].boosters += (workers,)
+                    if parameters["WORKFORCE"] == "YETI_TIRED":
+                        ret.graph[i].produces += (tired_workers,)
 
         if port in ret.graph:
             if parameters["SEA_INDUSTRY"] == "LAND_ONLY":
diff --git a/industry/economies/firs_temperate.py b/industry/economies/firs_temperate.py
index 24f2ffa5..aca3bb10 100644
--- a/industry/economies/firs_temperate.py
+++ b/industry/economies/firs_temperate.py
@@ -146,12 +146,26 @@ def get_economy(self, parameters):
                 ret.graph[fishing_grounds].boosters = workers
                 if parameters["WORKFORCE"] == "YETI_TIRED":
                     ret.graph[fishing_grounds].produces += (tired_workers,)
-            if parameters["WORKER_PARTICIPATION"] in ("PRIMARY_INDUSTRY", "SECONDARY_INDUSTRY", "BOTH"):
-                for i in [clay_pit, coal_mine, dredging_site, iron_ore_mine, dairy_farm, orchard_and_piggery]:
+            if parameters["WORKER_PARTICIPATION"] in ("SECONDARY_INDUSTRY", "BOTH"):
+                for i in [
+                    chemical_plant,
+                    clay_pit,
+                    coal_mine,
+                    dredging_site,
+                    iron_ore_mine,
+                    dairy_farm,
+                    orchard_and_piggery,
+                ]:
                     if i in ret.graph:
                         ret.graph[i] = ret.graph[i].to_secondary(workers)
                         if parameters["WORKFORCE"] == "YETI_TIRED":
                             ret.graph[i].produces += (tired_workers,)
+            if parameters["WORKER_PARTICIPATION"] in ("PRIMARY_INDUSTRY", "BOTH"):
+                for i in [metal_workshop, steel_mill, glass_works, cider_mill, stockyard, fishing_harbor, dairy]:
+                    if i in ret.graph:
+                        ret.graph[i].boosters += (workers,)
+                        if parameters["WORKFORCE"] == "YETI_TIRED":
+                            ret.graph[i].produces += (tired_workers,)
 
         if port in ret.graph:
             if parameters["SEA_INDUSTRY"] == "LAND_ONLY":
diff --git a/industry/economies/firs_tropical.py b/industry/economies/firs_tropical.py
index 50bcb966..e158d524 100644
--- a/industry/economies/firs_tropical.py
+++ b/industry/economies/firs_tropical.py
@@ -31,7 +31,6 @@
     water,
     wool,
     workers,
-    zinc,
 )
 from industry.industries import (
     arable_farm,
@@ -155,6 +154,19 @@ def get_economy(self, parameters):
                         ret.graph[i] = ret.graph[i].to_secondary(workers)
                         if parameters["WORKFORCE"] == "YETI_TIRED":
                             ret.graph[i].produces += (tired_workers,)
+            if parameters["WORKER_PARTICIPATION"] in ("PRIMARY_INDUSTRY", "SECONDARY_INDUSTRY", "BOTH"):
+                for i in [
+                    chemical_plant,
+                    copper_smelter,
+                    fishing_harbor,
+                    flour_mill,
+                    stockyard,
+                    food_processing_plant,
+                ]:
+                    if i in ret.graph:
+                        ret.graph[i].boosters += (workers,)
+                        if parameters["WORKFORCE"] == "YETI_TIRED":
+                            ret.graph[i].produces += (tired_workers,)
 
         if port in ret.graph:
             if parameters["SEA_INDUSTRY"] == "LAND_ONLY":