local Type = {'SurfaceJoint','JoinInstance'}

function checkObj(type)
	for i = 1,#Type do
		if type:IsA(Type[i]) then
			return true
		end
	end
	return false
end

function scan(obj)
	for _,v in pairs(obj:GetChildren()) do
		if checkObj(v) then
			v:Destroy()
		else
			scan(v)
		end
	end
end

scan(game.Workspace)