diff --git a/src/main/java/com/gregtechceu/gtceu/api/machine/MetaMachine.java b/src/main/java/com/gregtechceu/gtceu/api/machine/MetaMachine.java
index 05a4364558..d75261409f 100644
--- a/src/main/java/com/gregtechceu/gtceu/api/machine/MetaMachine.java
+++ b/src/main/java/com/gregtechceu/gtceu/api/machine/MetaMachine.java
@@ -588,6 +588,15 @@ public final boolean hasFrontFacing() {
 
     public boolean isFacingValid(Direction facing) {
         if (hasFrontFacing() && facing == getFrontFacing()) return false;
+        var coverContainer = getCoverContainer();
+        if (coverContainer.hasCover(facing)) {
+            // noinspection DataFlowIssue
+            var coverDefinition = coverContainer.getCoverAtSide(facing).coverDefinition;
+            var behaviour = coverDefinition.createCoverBehavior(coverContainer, getFrontFacing());
+            if (!behaviour.canAttach()) {
+                return false;
+            }
+        }
         var blockState = getBlockState();
         if (blockState.getBlock() instanceof MetaMachineBlock metaMachineBlock) {
             return metaMachineBlock.rotationState.test(facing);
diff --git a/src/main/java/com/gregtechceu/gtceu/api/machine/TieredEnergyMachine.java b/src/main/java/com/gregtechceu/gtceu/api/machine/TieredEnergyMachine.java
index 59b75cbc8a..2ba2bde45f 100644
--- a/src/main/java/com/gregtechceu/gtceu/api/machine/TieredEnergyMachine.java
+++ b/src/main/java/com/gregtechceu/gtceu/api/machine/TieredEnergyMachine.java
@@ -6,6 +6,7 @@
 import com.gregtechceu.gtceu.api.machine.feature.IExplosionMachine;
 import com.gregtechceu.gtceu.api.machine.feature.ITieredMachine;
 import com.gregtechceu.gtceu.api.machine.trait.NotifiableEnergyContainer;
+import com.gregtechceu.gtceu.api.transfer.fluid.IFluidHandlerModifiable;
 import com.gregtechceu.gtceu.config.ConfigHolder;
 
 import com.lowdragmc.lowdraglib.gui.texture.IGuiTexture;
@@ -17,7 +18,11 @@
 import com.lowdragmc.lowdraglib.syncdata.field.ManagedFieldHolder;
 
 import net.minecraft.MethodsReturnNonnullByDefault;
+import net.minecraft.core.Direction;
 import net.minecraft.util.Mth;
+import net.minecraftforge.items.IItemHandlerModifiable;
+
+import org.jetbrains.annotations.Nullable;
 
 import javax.annotation.ParametersAreNonnullByDefault;
 
@@ -80,6 +85,26 @@ public void onUnload() {
         }
     }
 
+    //////////////////////////////////////
+    // ****** Capability ********//
+    //////////////////////////////////////
+
+    @Override
+    public @Nullable IItemHandlerModifiable getItemHandlerCap(@Nullable Direction side, boolean useCoverCapability) {
+        if (side == getFrontFacing()) {
+            return null;
+        }
+        return super.getItemHandlerCap(side, useCoverCapability);
+    }
+
+    @Override
+    public @Nullable IFluidHandlerModifiable getFluidHandlerCap(@Nullable Direction side, boolean useCoverCapability) {
+        if (side == getFrontFacing()) {
+            return null;
+        }
+        return super.getFluidHandlerCap(side, useCoverCapability);
+    }
+
     //////////////////////////////////////
     // ******** Explosion ********//
     //////////////////////////////////////
diff --git a/src/main/java/com/gregtechceu/gtceu/api/machine/steam/SteamMachine.java b/src/main/java/com/gregtechceu/gtceu/api/machine/steam/SteamMachine.java
index 28bde9c8fb..408f4a2f80 100644
--- a/src/main/java/com/gregtechceu/gtceu/api/machine/steam/SteamMachine.java
+++ b/src/main/java/com/gregtechceu/gtceu/api/machine/steam/SteamMachine.java
@@ -4,14 +4,18 @@
 import com.gregtechceu.gtceu.api.machine.MetaMachine;
 import com.gregtechceu.gtceu.api.machine.feature.ITieredMachine;
 import com.gregtechceu.gtceu.api.machine.trait.NotifiableFluidTank;
+import com.gregtechceu.gtceu.api.transfer.fluid.IFluidHandlerModifiable;
 import com.gregtechceu.gtceu.common.data.GTMaterials;
 
 import com.lowdragmc.lowdraglib.syncdata.annotation.Persisted;
 import com.lowdragmc.lowdraglib.syncdata.field.ManagedFieldHolder;
 
 import net.minecraft.MethodsReturnNonnullByDefault;
+import net.minecraft.core.Direction;
+import net.minecraftforge.items.IItemHandlerModifiable;
 
 import lombok.Getter;
+import org.jetbrains.annotations.Nullable;
 
 import javax.annotation.ParametersAreNonnullByDefault;
 
@@ -53,4 +57,24 @@ public int getTier() {
     }
 
     protected abstract NotifiableFluidTank createSteamTank(Object... args);
+
+    //////////////////////////////////////
+    // ****** Capability ********//
+    //////////////////////////////////////
+
+    @Override
+    public @Nullable IItemHandlerModifiable getItemHandlerCap(@Nullable Direction side, boolean useCoverCapability) {
+        if (side == getFrontFacing()) {
+            return null;
+        }
+        return super.getItemHandlerCap(side, useCoverCapability);
+    }
+
+    @Override
+    public @Nullable IFluidHandlerModifiable getFluidHandlerCap(@Nullable Direction side, boolean useCoverCapability) {
+        if (side == getFrontFacing()) {
+            return null;
+        }
+        return super.getFluidHandlerCap(side, useCoverCapability);
+    }
 }
diff --git a/src/main/java/com/gregtechceu/gtceu/common/machine/storage/QuantumChestMachine.java b/src/main/java/com/gregtechceu/gtceu/common/machine/storage/QuantumChestMachine.java
index 7429ec9174..f2a033b1eb 100644
--- a/src/main/java/com/gregtechceu/gtceu/common/machine/storage/QuantumChestMachine.java
+++ b/src/main/java/com/gregtechceu/gtceu/common/machine/storage/QuantumChestMachine.java
@@ -16,6 +16,7 @@
 import com.gregtechceu.gtceu.api.machine.feature.IFancyUIMachine;
 import com.gregtechceu.gtceu.api.machine.feature.IInteractedMachine;
 import com.gregtechceu.gtceu.api.machine.trait.MachineTrait;
+import com.gregtechceu.gtceu.api.transfer.fluid.IFluidHandlerModifiable;
 import com.gregtechceu.gtceu.api.transfer.item.CustomItemStackHandler;
 import com.gregtechceu.gtceu.utils.FormattingUtil;
 import com.gregtechceu.gtceu.utils.GTMath;
@@ -171,6 +172,26 @@ public void loadCustomPersistedData(@NotNull CompoundTag tag) {
         storedAmount = tag.getLong("storedAmount");
     }
 
+    //////////////////////////////////////
+    // ****** Capability ********//
+    //////////////////////////////////////
+
+    @Override
+    public @Nullable IItemHandlerModifiable getItemHandlerCap(@Nullable Direction side, boolean useCoverCapability) {
+        if (side == getFrontFacing()) {
+            return null;
+        }
+        return super.getItemHandlerCap(side, useCoverCapability);
+    }
+
+    @Override
+    public @Nullable IFluidHandlerModifiable getFluidHandlerCap(@Nullable Direction side, boolean useCoverCapability) {
+        if (side == getFrontFacing()) {
+            return null;
+        }
+        return super.getFluidHandlerCap(side, useCoverCapability);
+    }
+
     //////////////////////////////////////
     // ******* Auto Output *******//
     //////////////////////////////////////
diff --git a/src/main/java/com/gregtechceu/gtceu/common/machine/storage/QuantumTankMachine.java b/src/main/java/com/gregtechceu/gtceu/common/machine/storage/QuantumTankMachine.java
index bcfebda97c..596eeb7f5b 100644
--- a/src/main/java/com/gregtechceu/gtceu/common/machine/storage/QuantumTankMachine.java
+++ b/src/main/java/com/gregtechceu/gtceu/common/machine/storage/QuantumTankMachine.java
@@ -17,6 +17,7 @@
 import com.gregtechceu.gtceu.api.machine.feature.IInteractedMachine;
 import com.gregtechceu.gtceu.api.machine.trait.MachineTrait;
 import com.gregtechceu.gtceu.api.transfer.fluid.CustomFluidTank;
+import com.gregtechceu.gtceu.api.transfer.fluid.IFluidHandlerModifiable;
 import com.gregtechceu.gtceu.utils.FormattingUtil;
 import com.gregtechceu.gtceu.utils.GTMath;
 import com.gregtechceu.gtceu.utils.GTTransferUtils;
@@ -48,6 +49,7 @@
 import net.minecraftforge.fluids.FluidStack;
 import net.minecraftforge.fluids.FluidUtil;
 import net.minecraftforge.fluids.capability.IFluidHandler;
+import net.minecraftforge.items.IItemHandlerModifiable;
 
 import com.mojang.blaze3d.MethodsReturnNonnullByDefault;
 import lombok.Getter;
@@ -170,6 +172,26 @@ public void loadCustomPersistedData(@NotNull CompoundTag tag) {
         if (storedAmount == 0 && !stored.isEmpty()) this.storedAmount = stored.getAmount();
     }
 
+    //////////////////////////////////////
+    // ****** Capability ********//
+    //////////////////////////////////////
+
+    @Override
+    public @Nullable IItemHandlerModifiable getItemHandlerCap(@Nullable Direction side, boolean useCoverCapability) {
+        if (side == getFrontFacing()) {
+            return null;
+        }
+        return super.getItemHandlerCap(side, useCoverCapability);
+    }
+
+    @Override
+    public @Nullable IFluidHandlerModifiable getFluidHandlerCap(@Nullable Direction side, boolean useCoverCapability) {
+        if (side == getFrontFacing()) {
+            return null;
+        }
+        return super.getFluidHandlerCap(side, useCoverCapability);
+    }
+
     //////////////////////////////////////
     // ******* Auto Output *******//
     //////////////////////////////////////