diff --git a/src/lang/welsh.txt b/src/lang/welsh.txt
--- a/src/lang/welsh.txt
+++ b/src/lang/welsh.txt
@@ -1372,6 +1372,8 @@ STR_CONFIG_SETTING_RIGHT_MOUSE_BTN_EMU_O
 
 STR_CONFIG_SETTING_LEFT_MOUSE_BTN_SCROLLING                     :Sgrolio Clic-chwith: {STRING}
 STR_CONFIG_SETTING_LEFT_MOUSE_BTN_SCROLLING_HELPTEXT            :Galluogi sgrolio ar y map drwy ei lusgo gyda botwm chwith y llygoden. Mae hyn yn arbennig o ddefnyddiol pan yn defnyddio sgrin-gyffwrdd ar gyfer sgrolio
+STR_CONFIG_SETTING_RIGHT_MOUSE_WND_CLOSE                        :Cau ffenest wrth dde-glicio: {STRING}
+STR_CONFIG_SETTING_RIGHT_MOUSE_WND_CLOSE_HELPTEXT               :Cau ffenest wrth dde-glicio tu fewn iddo. Mae hyn yn analluogi dangos gwybodaeth ar dde-clicio!
 
 STR_CONFIG_SETTING_AUTOSAVE                                     :Awtogadw: {STRING}
 STR_CONFIG_SETTING_AUTOSAVE_HELPTEXT                            :Dewis pa mor aml y dylid awtogadw gemau
@@ -3295,6 +3297,8 @@ STR_INDUSTRY_VIEW_REQUIRES_CARGO_CARGO_C
 ############ range for requires ends
 
 STR_INDUSTRY_VIEW_REQUIRES                                      :{BLACK}Angen:
+STR_INDUSTRY_VIEW_ACCEPT_CARGO                                  :{YELLOW}{STRING}{BLACK}{3:STRING}
+STR_INDUSTRY_VIEW_ACCEPT_CARGO_AMOUNT                           :{YELLOW}{STRING}{BLACK}: {CARGO_SHORT} yn disgwyl{STRING}
 
 ############ range for produces starts
 STR_INDUSTRY_VIEW_PRODUCES_CARGO                                :{BLACK}Cynhyrchu: {YELLOW}{STRING}{STRING}
@@ -3399,6 +3403,7 @@ STR_PURCHASE_INFO_ALL_TYPES             
 STR_PURCHASE_INFO_ALL_BUT                                       :Popeth ond{CARGO_LIST}
 STR_PURCHASE_INFO_MAX_TE                                        :{BLACK}Grym Tynnu Uchaf: {GOLD}{FORCE}
 STR_PURCHASE_INFO_AIRCRAFT_RANGE                                :{BLACK}Pellter cyrhaeddiad: {GOLD}{COMMA} teil
+STR_PURCHASE_INFO_AIRCRAFT_TYPE                                 :{BLACK}Math awyren: {GOLD}{STRING}
 
 STR_BUY_VEHICLE_TRAIN_LIST_TOOLTIP                              :{BLACK}Rhestr dewis trenau. Cliciwch ar gerbyd am wybodaeth. Mae Ctrl+Clicio'n toglu cuddio'r math cerbyd
 STR_BUY_VEHICLE_ROAD_VEHICLE_LIST_TOOLTIP                       :{BLACK}Rhestr dewis cerbydau ffordd. Cliciwch ar gerbyd am wybodaeth. Mae Ctrl+Clicio'n toglu cuddio'r math cerbyd
@@ -3534,6 +3539,8 @@ STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER                      :{BLACK}Côst: {CURRENCY_LONG} Pwysau: {WEIGHT_SHORT}{}Cyflymder: {VELOCITY}  Pŵer: {POWER}{}Côst Rhedeg: {CURRENCY_LONG}/bl{}Gallu cludo: {CARGO_LONG}
 STR_ENGINE_PREVIEW_COST_WEIGHT_SPEED_POWER_MAX_TE               :{BLACK}Cost: {CURRENCY_LONG} Pwysau: {WEIGHT_SHORT}{}Cyflymder: {VELOCITY}  Pŵer: {POWER}  Grym Uchaf: {6:FORCE}{}Cost Rhedeg: {4:CURRENCY_LONG}/bl{}Cynhwysedd: {5:CARGO_LONG}
 STR_ENGINE_PREVIEW_COST_MAX_SPEED_CAP_RUNCOST                   :{BLACK}Cost: {CURRENCY_LONG} Cyflym. Uchaf: {VELOCITY}{}Cynhwysedd: {CARGO_LONG}{}Cost Rhedeg: {CURRENCY_LONG}/bl
 STR_ENGINE_PREVIEW_COST_MAX_SPEED_TYPE_CAP_CAP_RUNCOST          :{BLACK}Cost: {CURRENCY_LONG} Cyflym. Uchaf: {VELOCITY}{}Math awyren: {STRING}{}Cynhwysedd: {CARGO_LONG}, {CARGO_LONG}{}Cost rhedeg: {CURRENCY_LONG}/bl
+STR_ENGINE_PREVIEW_COST_MAX_SPEED_TYPE_CAP_RUNCOST              :{BLACK}Cost: {CURRENCY_LONG} Cyflym. Uchaf: {VELOCITY}{}Math awyren: {STRING}{}Cynhwysedd: {CARGO_LONG}{}Cost Rhedeg: {CURRENCY_LONG}/bl
+STR_ENGINE_PREVIEW_COST_MAX_SPEED_TYPE_RANGE_CAP_CAP_RUNCOST    :{BLACK}Cost: {CURRENCY_LONG} Cyflym. Uchaf: {VELOCITY}{}Math awyren: {STRING} Pellter hedfan: {COMMA} teil{}Cynhwysedd: {CARGO_LONG}, {CARGO_LONG}{}Cost Rhedeg: {CURRENCY_LONG}/bl
 STR_ENGINE_PREVIEW_COST_MAX_SPEED_TYPE_RANGE_CAP_RUNCOST        :{BLACK}Cost: {CURRENCY_LONG} Cyflym. Uchaf: {VELOCITY}{}Math awyren: {STRING} Pellter hedfan: {COMMA} teil{}Cynhwysedd: {CARGO_LONG}{}Cost Rhedeg: {CURRENCY_LONG}/bl
 
 # Autoreplace window